html5 presentation examples

5 of the Best Free HTML5 Presentation Systems

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Google Slides Template

Frequently asked questions (faqs) about html5 presentation systems.

I have a lot of respect for Microsoft PowerPoint. It may be over-used and encourages people to create shocking slide shows, but it’s powerful and fun. I have just one criticism: all PowerPoint presentations look the same. It doesn’t matter how you change the colors, backgrounds, fonts or transitions — everyone can spot a PPT from a mile away. Fortunately, we now have another option: HTML5. Or, more specifically, HTML5 templates powered by JavaScript with CSS3 2D/3D transitions and animations. The benefits include:

• it’s quicker to add a few HTML tags than use a WYSIWYG interface
• you can update a presentation using a basic text editor on any device
• files can be hosted on the web; you need never lose a PPT again
• you can easily distribute a presentation without viewing software
• it’s not PowerPoint and your audience will be amazed by your technical prowess.
• you require web coding skills
• positioning, effects and transitions are more limited
• few systems offer slide notes (it’s a little awkward to show them separately)
• it’s more difficult to print handouts
• S5 — A Simple Standards-Based Slide Show System ( download )
• CSSS — CSS-based SlideShow System ( download )
• Slides ( download )
• HTML5Rocks (no direct downloads, but you can copy the source)

What are the key features to look for in an HTML5 presentation system?

When choosing an HTML5 presentation system, consider features such as ease of use, customization options, and compatibility with various devices. The system should have an intuitive interface that allows you to create presentations without any coding knowledge. Customization options are important for personalizing your presentation to match your brand or style. Additionally, the system should be compatible with different devices, including desktops, laptops, tablets, and smartphones, to ensure your audience can view your presentation without any issues.

How does HTML5 improve the presentation experience compared to traditional methods?

HTML5 enhances the presentation experience by offering interactive and dynamic content. Unlike traditional methods, HTML5 allows for the integration of multimedia elements like videos, audio, and animations directly into the presentation. This makes the presentation more engaging and interactive for the audience. Additionally, HTML5 presentations are web-based, meaning they can be accessed from any device with an internet connection, providing convenience and flexibility for both the presenter and the audience.

Are HTML5 presentations compatible with all browsers?

HTML5 presentations are generally compatible with all modern web browsers, including Google Chrome, Mozilla Firefox, Safari, and Microsoft Edge. However, there may be slight variations in how different browsers render HTML5 content. Therefore, it’s always a good idea to test your presentation on multiple browsers to ensure it displays correctly.

Can I use HTML5 presentation systems for professional purposes?

Yes, HTML5 presentation systems are suitable for a variety of professional purposes. They can be used for business presentations, educational lectures, product demonstrations, and more. The ability to incorporate multimedia elements and interactive features makes HTML5 presentations a powerful tool for conveying complex information in an engaging and understandable way.

How can I make my HTML5 presentation accessible to all users?

To make your HTML5 presentation accessible, ensure that all content is readable and navigable for users with different abilities. This includes providing alternative text for images, captions for videos, and using clear and simple language. Additionally, make sure your presentation is responsive, meaning it adjusts to fit different screen sizes and orientations.

Can I convert my existing PowerPoint presentations to HTML5?

Yes, many HTML5 presentation systems offer the ability to import and convert PowerPoint presentations. This allows you to leverage your existing content while benefiting from the enhanced features and capabilities of HTML5.

Do I need to know how to code to use HTML5 presentation systems?

While having some knowledge of HTML5 can be beneficial, many HTML5 presentation systems are designed to be user-friendly and do not require any coding skills. These systems often feature drag-and-drop interfaces and pre-designed templates to help you create professional-looking presentations with ease.

Can I share my HTML5 presentations online?

Yes, one of the major advantages of HTML5 presentations is that they can be easily shared online. You can publish your presentation on your website, share it via email, or even embed it in a blog post or social media update.

Are HTML5 presentations secure?

HTML5 presentations are as secure as any other web content. However, it’s important to follow best practices for web security, such as using secure hosting platforms and regularly updating your software to protect against potential vulnerabilities.

Can I track the performance of my HTML5 presentations?

Yes, many HTML5 presentation systems include analytics features that allow you to track viewer engagement and behavior. This can provide valuable insights into how your audience interacts with your presentation, helping you to improve and refine your content over time.

Craig is a freelance UK web consultant who built his first page for IE2.0 in 1995. Since that time he's been advocating standards, accessibility, and best-practice HTML5 techniques. He's created enterprise specifications, websites and online applications for companies and organisations including the UK Parliament, the European Parliament, the Department of Energy & Climate Change, Microsoft, and more. He's written more than 1,000 articles for SitePoint and you can find him @craigbuckler .

jQuery Script - Free jQuery Plugins and Tutorials

10 best html presentation frameworks in javascript (2024 update), what is html presentation framework.

An HTML Presentation Framework helps you create a fullscreen web presentation to showcase your web content just like Apple Keynote and Microsoft PowerPoint.

It separates your HTML content into several fullscreen pages (slides) so that the visitors are able to navigate between these slides with certain operations (mouse wheel, arrow keys, touch events, etc).

The Best HTML Presentation Framework

You have been tasked with building an HTML5 presentation application, but where should you start? As there are many frameworks to choose from, it can be challenging to know where to begin.

In this post, we're going to introduce you the 10 best JavaScript HTML presentation frameworks to help developers generate professional, nice-looking presentations using JavaScript, HTML, and CSS. Have fun.

Originally Published Feb 2020, up date d Feb 27 2024

Table of contents:

• jQuery HTML Presentation Frameworks
• Vanilla JS HTML Presentation Frameworks

Best jQuery HTML Presentation Frameworks

Full page presentations with jquery and css animations.

A vertical full-page presentation app (also called fullscreen page slider) implemented in JavaScript (jQuery) and CSS animations.

[ Demo ] [ Download ]

jQuery Amazing Scrolling Presentation Plugin - scrolldeck

scrolldeck is a cool jQuery plugin that make it easier to create amazing scrolling presentation like Slide Animation s, Image Slides and parallax effects for your project.

Easy Dynamic Presentation Plugin In jQuery - Presentation.js

A jQuery-powered presentation plugin that allows users to create better professional-looking presentations, with awesome jQuery and/or CSS 3 animations.

jQuery Plugin To Create Amazing Presentations - mb.disclose

An awesome jQuery plugin that provides an amazing way to present Html contents in carousel like presentations. You can customize the CSS3 powered animations for each Html element using Html5 data-* attributes.

Responsive Web Presentation Plugin For jQuery - sectionizr

A really simple jQuery web presentation plugin which presents any html contents in a responsive, fullscreen, carousel-style page UI. Supports both horizontal and vertical scrolling.

Best Vanilla JS HTML Presentation Frameworks

Beautiful html presentation library - reveal.js.

reveal.js is an open source HTML presentation framework. It's a tool that enables anyone with a web browser to create fully-featured and beautiful presentations for free.

Presentations made with reveal.js are built on open web technologies. That means anything you can do on the web, you can do in your presentation. Change styles with CSS, include an external web page using an iframe or add your own custom behavior using our JavaScript API.

Fullscreen Scrolling Presentation In JavaScript – Pageable

A lightweight JavaScript library to generate a fullscreen scrolling presentation where the users are allowed to scroll through sectioned pages with drag, swipe, and mouse wheel events.

Amazing Presentation Framework With CSS3 - impress.js

An amazing Presentation framework for modern bowsers. Based on CSS3 transforms and transitions. It doesn't depend on any external stylesheets. It adds all of the styles it needs for the presentation to work.

Slidev aims to provide the flexibility and interactivity for developers to make their presentations even more interesting, expressive, and attractive by using the tools and technologies they are already familiar with.

When working with WYSIWYG editors, it is easy to get distracted by the styling options. Slidev remedies that by separating the content and visuals. This allows you to focus on one thing at a time, while also being able to reuse the themes from the community. Slidev does not seek to replace other slide deck builders entirely. Rather, it focuses on catering to the developer community.

Shower HTML presentation engine

Shower HTML presentation engine built on HTML, CSS and vanilla JavaScript. Works in all modern browsers. Themes are separated from engine. Fully keyboard accessible. Printable to PDF.

Conclusion:

There is no one right answer. The right presentation framework for you depends on your own project requirements, as well as your personal preferences. However, with the ten HTML presentation frameworks listed above to choose from, you are bound to find one that suits your specific needs.

Looking for more jQuery plugins or JavaScript libraries to create awesome HTML Presentations on the web & mobile? Check out the jQuery Presentation and JavaScript Presentation sections.

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Add Your Review

The HTML Presentation Framework

Created by Hakim El Hattab and contributors

Hello There

reveal.js enables you to create beautiful interactive slide decks using HTML. This presentation will show you examples of what it can do.

Vertical Slides

Slides can be nested inside of each other.

Use the Space key to navigate through all slides.

Basement Level 1

Nested slides are useful for adding additional detail underneath a high level horizontal slide.

Basement Level 2

That's it, time to go back up.

Not a coder? Not a problem. There's a fully-featured visual editor for authoring these, try it out at https://slides.com .

Pretty Code

Code syntax highlighting courtesy of highlight.js .

Even Prettier Animations

Point of view.

Press ESC to enter the slide overview.

Hold down the alt key ( ctrl in Linux) and click on any element to zoom towards it using zoom.js . Click again to zoom back out.

(NOTE: Use ctrl + click in Linux.)

Auto-Animate

Automatically animate matching elements across slides with Auto-Animate .

Touch Optimized

Presentations look great on touch devices, like mobile phones and tablets. Simply swipe through your slides.

Add the r-fit-text class to auto-size text

Hit the next arrow...

... to step through ...

... a fragmented slide.

Fragment Styles

There's different types of fragments, like:

fade-right, up, down, left

fade-in-then-out

fade-in-then-semi-out

Highlight red blue green

Transition Styles

You can select from different transitions, like: None - Fade - Slide - Convex - Concave - Zoom

Slide Backgrounds

Set data-background="#dddddd" on a slide to change the background color. All CSS color formats are supported.

Image Backgrounds

Tiled backgrounds, video backgrounds, ... and gifs, background transitions.

Different background transitions are available via the backgroundTransition option. This one's called "zoom".

You can override background transitions per-slide.

Iframe Backgrounds

Since reveal.js runs on the web, you can easily embed other web content. Try interacting with the page in the background.

Marvelous List

• No order here

Fantastic Ordered List

• One is smaller than...
• Two is smaller than...

Tabular Tables

Clever quotes.

These guys come in two forms, inline: The nice thing about standards is that there are so many to choose from and block:

“For years there has been a theory that millions of monkeys typing at random on millions of typewriters would reproduce the entire works of Shakespeare. The Internet has proven this theory to be untrue.”

Intergalactic Interconnections

You can link between slides internally, like this .

Speaker View

There's a speaker view . It includes a timer, preview of the upcoming slide as well as your speaker notes.

Press the S key to try it out.

Export to PDF

Presentations can be exported to PDF , here's an example:

Global State

Set data-state="something" on a slide and "something" will be added as a class to the document element when the slide is open. This lets you apply broader style changes, like switching the page background.

State Events

Additionally custom events can be triggered on a per slide basis by binding to the data-state name.

Take a Moment

Press B or . on your keyboard to pause the presentation. This is helpful when you're on stage and want to take distracting slides off the screen.

• Right-to-left support
• Extensive JavaScript API
• Auto-progression
• Parallax backgrounds
• Custom keyboard bindings

- Try the online editor - Source code & documentation

HTML Presentations Made Easy

Created by Hakim El Hattab / @hakimel

reveal.js is a framework for easily creating beautiful presentations using HTML. You'll need a browser with support for CSS 3D transforms to see it in its full glory.

Vertical Slides

Slides can be nested inside of other slides, try pressing down .

Basement Level 1

Press down or up to navigate.

Basement Level 2

Basement level 3.

That's it, time to go back up.

Not a coder? No problem. There's a fully-featured visual editor for authoring these, try it out at http://slid.es .

Point of View

Press ESC to enter the slide overview.

Hold down alt and click on any element to zoom in on it using zoom.js . Alt + click anywhere to zoom back out.

Works in Mobile Safari

Try it out! You can swipe through the slides and pinch your way to the overview.

Marvelous Unordered List

• No order here

Fantastic Ordered List

• One is smaller than...
• Two is smaller than...

Transition Styles

You can select from different transitions, like: Cube - Page - Concave - Zoom - Linear - Fade - None - Default

Reveal.js comes with a few themes built in: Default - Sky - Beige - Simple - Serif - Night Moon - Solarized

* Theme demos are loaded after the presentation which leads to flicker. In production you should load your theme in the <head> using a <link> .

Global State

Set data-state="something" on a slide and "something" will be added as a class to the document element when the slide is open. This lets you apply broader style changes, like switching the background.

Custom Events

Additionally custom events can be triggered on a per slide basis by binding to the data-state name.

Slide Backgrounds

Set data-background="#007777" on a slide to change the full page background to the given color. All CSS color formats are supported.

Image Backgrounds

Repeated image backgrounds, background transitions.

Pass reveal.js the backgroundTransition: 'slide' config argument to make backgrounds slide rather than fade.

Background Transition Override

You can override background transitions per slide by using data-background-transition="slide" .

Clever Quotes

These guys come in two forms, inline: “The nice thing about standards is that there are so many to choose from” and block:

“For years there has been a theory that millions of monkeys typing at random on millions of typewriters would reproduce the entire works of Shakespeare. The Internet has proven this theory to be untrue.”

Pretty Code

Courtesy of highlight.js .

Intergalactic Interconnections

You can link between slides internally, like this .

Fragmented Views

Hit the next arrow...

... to step through ...

Fragment Styles

There's a few styles of fragments, like:

highlight-red

highlight-green

highlight-blue

current-visible

highlight-current-blue

Spectacular image!

Export to pdf.

Presentations can be exported to PDF , below is an example that's been uploaded to SlideShare.

Take a Moment

Press b or period on your keyboard to enter the 'paused' mode. This mode is helpful when you want to take distracting slides off the screen during a presentation.

Stellar Links

• Try the online editor
• Source code on GitHub
• Follow me on Twitter

BY Hakim El Hattab / hakim.se

Create beautiful stories

WebSlides makes HTML presentations easy. Just the essentials and using lovely CSS.

WebSlides 1.5.0 Github

Why WebSlides?

Good karma & Productivity.

An opportunity to engage.

WebSlides is about good karma. This is about telling the story, and sharing it in a beautiful way. HTML and CSS as narrative elements.

Work better, faster.

Designers, marketers, and journalists can now focus on the content. Simply choose a demo and customize it in minutes.

WebSlides is really easy

Each parent <section> in the #webslides element is an individual slide.

Code is clean and scalable. It uses intuitive markup with popular naming conventions. There's no need to overuse classes or nesting. Making an HTML presentation has never been so fast .

→ Simple Navigation

Slide counter, 40 + beautiful components, vertical rhythm, 500 + svg icons, webslides demos.

Contribute on Github . View all ›

If you need help, here's just some tutorials. Just a basic knowledge of HTML is required:

• Components · Classes .
• WebSlides on Codepen .
• WebSlides Media: images, videos...

Built to expand

The best way to inspire with your content is to connect on a personal level:

• Background images: Unsplash .
• CSS animations: Animate.css .
• Longforms: Animate on scroll .

Ready to Start?

Create your own stories instantly. 120+ premium slides ready to use.

Free Download Pay what you want.

People share content that makes them feel inspired. WebSlides is a very effective way to engage young audiences, customers, and teams.

@jlantunez , @ant_laguna , and @luissacristan .

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Introduction to HTML5

HTML5 is the fifth revision and newest version of the HTML standard. It offers new features that provide not only rich media support but also enhance support for creating web applications that can interact with users, their local data, and servers more easily and effectively than was previously possible.

Some HTML5 features remain unsupported by some browsers. However, Gecko, and by extension, Firefox, has very good support for HTML5, and work continues toward supporting more of its features. Gecko began supporting some HTML5 features in version 1.8.1. You can find a list of all of the HTML5 features that Gecko currently supports on the main HTML5 page . For detailed information about multiple browsers' support of HTML5 features, refer to the CanIUse website.

Declaring that the document contains HTML5 mark-up with the HTML5 doctype

The doctype for HTML5 is very simple. To indicate that your HTML content uses HTML5, simply use:

Doing so will cause even browsers that don't presently support HTML5 to enter into standards mode, which means that they'll interpret the long-established parts of HTML in an HTML5-compliant way while ignoring the new features of HTML5 they don't support.

This is much simpler than the former doctypes, and shorter, making it easier to remember and reducing the amount of bytes that must be downloaded.

">Declaring the character set with the <meta charset>

The first thing done on a page is usually indicating the character set that is used. In previous versions of HTML, it was done using a very complex element represents metadata that cannot be represented by other HTML meta-related elements, like <base>, <link>, <script>, <style> or <title>." href="../Element/meta.html"> <meta> element. Now, it is very simple:

Place this right after your element provides general information (metadata) about the document, including its title and links to its scripts and style sheets." href="../../Web/HTML/Element/head.html"> <head> , as some browsers restart the parsing of an HTML document if the declared character set is different from what they had anticipated. Also, if you are not currently using UTF-8, it's recommended that you switch to it in your webpages, as it simplifies character handling in documents using different scripts.

Note that HTML5 restricts character sets to those compatible with ASCII and using at least 8 bits. This was done to tighten security and prevent some types of attacks.

Using the new HTML5 parser

The parsing rules of HTML5, which analyze the meaning of mark-up, have been more precisely defined in HTML5. Until the introduction of HTML5, only the meaning of valid mark-up was defined, meaning that as soon as one small error was made in the mark-up (most websites have at least one), the behavior was undefined. Essentially, it meant that all browsers behaved differently, which is no longer the case. Now, faced with errors in the mark-up, all compliant browsers must behave exactly in the same way.

This requirement helps web developers quite a bit. While it is true that all modern browsers now use these HTML5 parsing rules, non-HTML5-compliant browsers are still used by some. Keep in mind that it's still highly recommended that one writes valid mark-up, as such code is easier to read and maintain, and it greatly decreases the prominence of incompatibilities that exists in various older browsers.

Don't worry — you don't have to change anything on your website. The web browsers' developers have done everything for you!

Document Tags and Contributors

• NeedsContent

HTML5 – Hypertext Markup Language Version 5 – Themes

See all presentation from cminhho

0 0 (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/platform.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

Html5-presentation.

On Github cminhho / HTML5-Presentation

Hypertext Markup Language Version 5

Created by hmchung / @tma.com.vn

Default - Sky - Beige - Simple - Serif - Night Moon - Solarized

Transition Styles

Cube - Page - Concave - Zoom - Linear - Fade - None - Default

Rough Timeline of Web Technologies

What is html5, definition and usage, html 4.01 strict, html 4.01 transitional, html 4.01 frameset, key features of html5, feature tag, today, we will cover..., multimedia realtime / communication file / hardware access semantics & markup graphics / multimedia, today, we will cover ..., offline / storage, realtime / communication, file / hardware access, graphics / multimedia, semantics & markup, web storage, web sql database, application cache, web workers.

Count numbers:

Notifications

Native drag & drop, desktop drag-in (file api), geolocation, better semantic tags, markup for applications, descriptive link relations, new form types, audio + video, track element, fullscreen api, canvas 3d (webgl).

• www.w3schools.com
• www.html5rocks.com
• html5test.com
• html5demos.com
• html5doctor.com

BY HMCHUNG / TMA

You are here

Course presentation, primary tabs.

• View (active tab)
• xAPI coverage

A free HTML5-based presentation content type which allows users to add multiple choice  questions , fill in the blanks, text, and other types of interactions to their presentations using only a web browser.  Create engaging presentations with H5P and Course Presentation  in publishing systems like Canvas, Brightspace, Blackboard, Moodle and WordPress.

Would you like to create content like this on your own?

Register on H5P.com to start creating H5P Interactive content. Your content can be accessed via direct link, embeded, or inserted into any learning management system that supports LTI integration.

Description

Course presentations consist of slides with multimedia, text, and many different types of interactions like interactive summaries, multiple choice questions and interactive videos. Learners can experience new interactive learning material and test their knowledge and memory in Course Presentations. As always with H5P, content is editable in web browsers, and the Course Presentation activity type includes a WYSIWYG drag and drop based authoring tool.

A typical use of the Course Presentation activity is to use a few slides to introduce a subject and follow these with a few more slides in which the user’s knowledge is tested. Course Presentations may however be used in many different ways, including as a presentation tool for use in the classroom, or as a game where the usual navigation is replaced with navigation buttons on top of the slides to let the user make choices and see the consequences of their choices.

Learn how to create Presentations in  this tutorial .

The H5P content on this page is licensed under Creative Commons Attribution 4.0 International unless another Creative Commons license is specified under rights of use. The author of the content is H5P Group

New to H5P? Read the installation guide to get H5P on your own site.

• Examples & Downloads
• Documentation
• Goals & Roadmap

Connect with H5P

• Contact Form
• H5P is an open source community driven project. Join the Community and help us create richer online experiences!
• Project Licensing Information
• About the Project

H5P is a registered trademark of H5P Group Privacy policy | Copyright © 2024

The Best HTML Examples and HTML5 Examples

HTML provides the structure of websites. Here are some examples of how to use HTML syntax to build websites, including some examples of newer HTML5 features.

The A Href Attribute Example

The <a href> attribute refers to a destination provided by a link. The a (anchor) tag is dead without the <href> attribute. Sometimes in your workflow, you don’t want a live link or you won’t know the link destination yet. In this case, it’s useful to set the href attribute to "#" to create a dead link. The href attribute can be used to link to local files or files on the internet.

For instance:

The <a href> attribute is supported by all browsers.

More attributes:

hreflang : Specifies the language of the linked resource. target : Specifies the context in which the linked resource will open. title : Defines the title of a link, which appears to the user as a tooltip.

In-page anchors

It’s also possible to set an anchor to certain place of the page. To do this you should first place a tab at location on the page with tag and necessary attribute “name” with any keyword description in it, like this:

Any description between tags is not required. After that you can place a link leading to this anchor at any palce on same page. To do this you should use tag with necessary attribute “href” with symbol # (sharp) and key-word description of the anchor, like this:

Image Links

The <a href="#"> may also be applied to images and other HTML elements.

The A Target Example

The <a target> attribute specifies where to open the linked document in an a (anchor) tag.

A target attribute with the value of “_blank” opens the linked document in a new window or tab.

A target attribute with the value of “_self” opens the linked document in the same frame as it was clicked (this is the default and usually does not need to be specified).

A target attribute with the value of “_parent” opens the linked document in the parent frame.

A target attribute with the value of “_top” opens the linked document in the full body of the window.

A target attribute with the value of “framename” Opens the linked document in a specified named frame.

The Body Background Attribute Example

If you want to add a background image instead of a color, one solution is the <body background> attribute. It specifies a background image for an HTML document.

<body background="URL">

background - URL for background image

body-background attribute is depreciated

the body-background attribute been deprecated in HTML5. The correct way to style the <body> tag is with CSS.

There are several CSS properties used for setting the background of an element. These can be used on to set the background of an entire page.

The Body Bgcolor Attribute Example

The <body bgcolor> attribute assigns a background color for an HTML document.

<body bgcolor="color"> The color value can be either a color name (like, purple ) or a hex value (like, #af0000 ).

To add a background color to a webpage you can use the <body bgcolor="######"> attribute. It specifies a color for the HTML document to display.

For example:

You can change the color by replacing ###### with a hexadecimal value. For simple colors you can also use the word, such as “red” or “black”.

All major browsers support the <body bgcolor> attribute.

• HTML 5 does not support the <body bgcolor> attribute. Use CSS for this purpose. How? By using the following code: <body style="background-color: color"> Of course, you can also do it in a separate document instead of an inline method.
• Do not use RGB value in <body bgcolor> attribute because rgb() is for CSS only, that is, it will not work in HTML.

The Div Align Attribute Example

The <div align=""> attribute is used for aligning the text in a div tag to The Left, Right, center or justify.

This attribute is no longer supported in html5. css is the way to go.

The Div Align attribute can be used to horizontally align the contents within a div. In the below example, the text will be centered within the div.

**This attribute is not supported in HTML5 and CSS Text Align should be used instead

The Font Color Attribute Example

This attribute is used to set a color to the text enclosed in a <font> tag.

This attribute is not supported in HTML5. Instead, this freeCodeCamp article specifies a CSS method, which can be used.

A color can also be specified using a 'hex code' or an 'rgb code', instead of using a name.

• Color name attribute

Hex code attribute

RGB attribute

The Font Size Attribute Example

This attribute specifies the font size as either a numeric or relative value. Numeric values range from 1 to 7 with 1 being the smallest and 3 the default. It can also be defined using a relative value, like +2 or -3 , which set it relative to the value of the size attribute of the <basefont> element, or relative to 3 , the default value, if none does exist.

<font size="number">

Note : The size attribute of <font> is not supported in HTML5. Use CSS instead.

The Img Align Attribute Example

The align attribute of an image specifies where the image should be aligned according to the surrounding element.

Attribute Values: right - Align image to the right left - Align image to the left top - Align image to the top bottom - Align image to the bottom middle - Align image to the middle

We can also align in right if we want:

Please note the align attribute is not supported in HTML5, and you should use CSS instead. However, it is still supported by all the major browsers.

The Img Width Attribute

The HTML ‘width’ attribute refers to the width of an image. The value in the quotations is the amount of pixels.

For example, if you already have a link to an image set up via the src attribute you can add the width attribute like so:

In the code snippet above there is an image tag and the image is set to a width of 100 pixels. width="100"

The Img Src Attribute Example

The <img src> attribute refers to the source of the image you want to display. The img tag will not display an image without the src attribute. However, if you set the source to the location of the image, you can display any image.

There is an image of the freeCodeCamp Logo located at https://avatars0.githubusercontent.com/u/9892522?v=4&s=400

You can set that as the image using the src attribute.

The above code displays like this:

The src attribute is supported by all browsers.

You can also have a locally hosted file as your image.

For example, <img src="images/freeCodeCamp.jpeg> would work if you had a folder called images which had the freeCodeCamp.jpeg inside, as long as the ‘images’ folder was in the same location as the index.html file.

../files/index.html

..files/images/freeCodeCamp.jpeg

HTML Entity Example

What are html entities.

HTML entities are characters that are used to replace reserved characters in HTML or for characters that do not appear on your keyboard. Some characters are reserved in HTML. If you use the less than(<) or greater than(>) signs in your text, the browser might mix them up with tags.

What are they used for?

As mentioned about HTML entities are used in order to replace reserved characters that are reserved by HTML.

How do you use them?

A character entity looks similar to this:

Reference Guide

This is by no means an exhaustive list but the links below will be able to give you more entities if the ones below do not work for your needs. Happy Coding :bowtie:

HTML Form Example

Basically, forms are used to collect data entered by a user, which are then sent to the server for further processing. They can be used for different kinds of user inputs, such as name, email etc.

Form contains control elements which are wrapped around <form></form> tags, like input , which can have types like:

Code example:

Other elements that form can contain:

• textarea - is a multiline box which is most often used for adding some text eg. comment. Size of textarea is defined by number of rows and columns.
• select - together with <option></option> tag creates drop-down select menu.
• button - The button element can be used to define a clickable button.

MORE INFORMATION ON HTML FORMS.

HTML Forms are required when you want to collect some data from the site visitor. For example, during user registration you would like to collect information such as name, email address, credit card, etc.

A form will take input from the site visitor and then will post it to a back-end application such as CGI, ASP Script or PHP script etc. The back-end application will perform required processing on the passed data based on defined business logic inside the application.

There are various form elements available like text fields, textarea fields, drop-down menus, radio buttons, checkboxes, etc.

The HTML <form> tag is used to create an HTML form and it has following syntax −

If the form method is not defined then it will default to “GET”.

The form tag can also have an attribute named “target” which specifies where the link will open. It can open in the browser tab, a frame, or in the current window.

The action attribute defines the action to be performed when the form is submitted. Normally, the form data is sent to a web page at the Script URL when the user clicks on the submit button. If the action attribute is omitted, the action is set to the current page.

HTML5 Audio Example

Before HTML5, audio files had to be played in a browser using a plug-in like Adobe Flash. The HTML

The following code snippet adds an audio file with the filename tutorial.ogg or tutorial.mp3 . Theelement indicates alternative audio files which the browser may choose from. The browser will utilize the first recognized format.

The controls attribute includes audio controls like play, pause, and volume. If you don’t use this attribute, then no controls will be shown.

The <source> element enables you to indicate alternative audio files which the browser may choose from. The browser will utilize the first recognize format. The text between the <audio> and </audio> tags may be shown in browser that does not support the HTML5 <audio> element.

The autoplay attribute will automatically play your audio file in the background. It is considered better practice to let visitors choose to play audio.

The preload attribute indicates what the browser should do if the player is not set to autoplay.

The loop attribute will play your audio file in a continous loop if mentioned

Since this is html5, some browser do not support it. You can check it at https://caniuse.com/#search=audio

HTML5 Semantic Elements Example

Semantic HTML elements clearly describe it’s meaning in a human and machine readable way. Elements such as <header> , <footer> and <article> are all considered semantic because they accurately describe the purpose of the element and the type of content that is inside them.

A Quick History

HTML was originally created as a markup language to describe documents on the early internet. As the internet grew and was adopted by more people, it’s needs changed. Where the internet was originally inteded for sharing scientific documents, now people wanted to share other things as well. Very quickly, people started wanting to make the web look nicer. Because the web was not initially built to be designed, programmers used different hacks to get things laid out in different ways. Rather than using the <table></table> to describe information using a table, programmers would use them to position other elements on a page. As the use of visually designed layouts progressed, programmers started to use a generic “non-semantic” tag like <div> . They would often give these elements a class or id attribute to describe their purpose. For example, instead of <header> this was often written as <div class="header"> . As HTML5 is still relatively new, this use of non-semantic elements is still very common on websites today.

List of new semantic elements

The semantic elements added in HTML5 are:

• <article>

<aside>

• <details>
• <figcaption>
• <figure>

<footer>

• <header>
• <main>
• <mark>
• <nav>
• <section>
• <summary>

<time>

Elements such as <header> , <nav> , <section> , <article> , <aside> , and <footer> act more or less like <div> elements. They group other elements together into page sections. However where a <div> tag could contain any type of information, it is easy to identify what sort of information would go in a semantic <header> region.

An example of semantic element layout by w3schools

Benefits of semantic elements

To look at the benefits of semantic elements, here are two pieces of HTML code. This first block of code uses semantic elements:

Whilst this second block of code uses non-semantic elements:

First, it is much easier to read . This is probably the first thing you will notice when looking at the first block of code using semantic elements. This is a small example, but as a programmer you can be reading through hundreds or thousands of lines of code. The easier it is to read and understand that code, the easier it makes your job.

It has greater accessibility . You are not the only one that finds semantic elements easier to understand. Search engines and assistive technologies (like screen readers for users with a sight impairment) are also able to better understand the context and content of your website, meaning a better experience for your users.

Overall, semantic elements also lead to more consistent code . When creating a header using non-semantic elements, different programmers might write this as <div class="header"> , <div id="header"> , <div class="head"> , or simply <div> . There are so many ways that you can create a header element, and they all depend on the personal preference of the programmer. By creating a standard semantic element, it makes it easier for everyone.

Since October 2014, HTML4 got upgraded to HTML5, along with some new “semantic” elements. To this day, some of us might still be confused as to why so many different elements that doesn’t seem to show any major changes.

<section> and <article>

“What’s the difference?”, you may ask. Both these elements are used for sectioning a content, and yes, they can definitely be used interchangeably. It’s a matter of in which situation. HTML4 offered only one type of container element, which is <div> . While this is still used in HTML5, HTML5 provided us with <section> and <article> in a way to replace <div> .

The <section> and <article> elements are conceptually similar and interchangeable. To decide which of these you should choose, take note of the following:

• An article is intended to be independently distributable or reusable.
• A section is a thematic grouping of content.

<header> and <hgroup>

The <header> element is generally found at the top of a document, a section, or an article and usually contains the main heading and some navigation and search tools.

The <hgroup> element should be used where you want a main heading with one or more subheadings.

REMEMBER, that the <header> element can contain any content, but the <hgroup> element can only contain other headers, that is <h1> to <h6> and including <hgroup> .

The <aside> element is intended for content that is not part of the flow of the text in which it appears, however still related in some way. This of <aside> as a sidebar to your main content.

Before HTML5, our menus were created with <ul> ’s and <li> ’s. Now, together with these, we can separate our menu items with a <nav> , for navigation between your pages. You can have any number of <nav> elements on a page, for example, its common to have global navigation across the top (in the <header> ) and local navigation in a sidebar (in an <aside> element).

If there is a <header> there must be a <footer> . A <footer> is generally found at the bottom of a document, a section, or an article. Just like the <header> the content is generally metainformation, such as author details, legal information, and/or links to related information. It is also valid to include <section> elements within a footer.

<small>

The <small> element often appears within a <footer> or <aside> element which would usually contain copyright information or legal disclaimers, and other such fine print. However, this is not intended to make the text smaller. It is just describing its content, not prescribing presentation.

The <time> element allows an unambiguous ISO 8601 date to be attached to a human-readable version of that date.

Why bother with <time> ? While humans can read time that can disambiguate through context in the normal way, the computers can read the ISO 8601 date and see the date, time, and the time zone.

<figure> and <figcaption>

<figure> is for wrapping your image content around it, and <figcaption> is to caption your image.

HTML5 Video Example

Before HTML5, in order to have a video play in a webpage you would need to use a plugin, like Adobe Flash Player. With the introduction of HTML5, you can now place it directly into the page itself. The HTML

To embed video file into web page, just add this code snippet and change the src of audio file.

The controls attribute includes video controls, similar to play, pause, and volume.

This feature is supported by all modern/updated browsers. However, not all support the same video file format. My recommendation for a wide range of compatibilty is MP4, as it is the most widely accepted format. There are also two other formats (WebM and Ogg) that are supported in Chrome, Firefox, and Opera.

The element enables you to indicate alternative video files which the browser may choose from. The browser will utilize the first recognize format. In HTML5, there are 3 supported video formats: MP4, WebM, and Ogg.

The text between the  tags will only be displayed in browsers that do not support the

There are several different elements of the video tag, many of these explanations are based on Mozilla’s web docs (linked below). There are even more if you click the link at the bottom.

“autoplay” can be set to either true or false. You set it to true by adding it into the tag, if it is not present in the tag it is set to false. If set to true, the video will begin playing as soon as enough of the video has buffered for it to be able to play. Many people find autoplaying videos as disruptive or annoying so use this feature sparingly. Also note, that some mobile browsers, such as Safari for iOS, ignore this attribute.

The “poster” attribute is the image that shows on the video until the user clicks to play it.

The “controls” attribute can be set to true or false and will handle whether controls such as the play/pause button or volume slider appear. You set it to true by adding it into the tag, if it is not present in the tag it is set to false.

There are many more attributes that can be added that are optional to customize the videoplayer in the page. To learn more, click on the links below.

HTML5 Web Storage Example

Web storage allows web applications to store up to 5MB of information in browser storage per origin (per domain and protocol).

Types of Web Storage

There are two objects for storing data on the client:

window.localStorage : stores data with no expiration date and lives until removed.

window.sessionStorage : stores data for one session, where data is lost when the browser / browser tab is closed.

Since the current implementation only supports string-to-string mappings, you need to serialize and de-serialize other data structures.

You can do so using JSON.stringify() and JSON.parse().

For e.g. for the given JSON

We first convert the JSON object to string and save in the local storage:

To get the JSON object from the string stored in local storage:

Mailto Links Example

A mailto link is a kind of hyperlink ( <a href=""></a> ) with special parameters that lets you specify additional recipients, a subject line, and/or a body text.

The basic syntax with a recipient is:

More customization, adding a subject to that mail:.

If you want to add a specific subject to that mail, be careful to add %20 or + everywhere there’s a space in the subject line. An easy way to ensure that it is properly formatted is to use a URL Decoder / Encoder .

Adding body text:

Similarly, you can add a specific message in the body portion of the email: Again, spaces have to be replaced by %20 or + . After the subject paramater, any additional parameter must be preceded by &

Example: Say you want users to send an email to their friends about their progress at Free Code Camp:

Address: empty

Subject: Great news

Body: I am becoming a developer

Your html link now:

Here, we’ve left mailto empty ( mailto:? ). This will open the user’s email client and the user will add the recipient address themselves.

Adding more recipients:

In the same manner, you can add CC and bcc parameters. Separate each address by a comma!

Additional parameters must be preceded by & .

Thank you for using this HTML reference. Happy coding!

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Html structure.

HTML (Hypertext Markup Language) is the recognised markup language utilised in forming web pages.  It defines the composition of web pages by using markup.  HTML elements are the primary units of HTML pages and are denoted by tags.  HTML tags label parts of content like headings, paragraphs, and tables.  Browsers do not show the HTML tags, but they are used in the background in order to deliver the content of the page.

HTML tags are element names enclosed by angle brackets.  HTML tags usually come in pairs.  The first tag in a pair is the start tag, and the second tag is the end tag.  The end tag is written like the start tag, but with a forward slash inserted before the tag name.  The start tag is sometimes also called the opening tag, and the end tags are the closing tag.

All HTML documents must start with a document type declaration: <!DOCTYPE html>.  The HTML document itself begins with <html> and ends with </html>.  The visible part of the HTML document is between <body> and </body>.

HTML tags are not case sensitive.

HTML Attributes

All HTML elements can have attributes, which provide additional information about the element, and are always specified in the start tag.  They usually come in name/value pairs.

CSS (Cascading Style Sheets) defines how HTML elements are to be presented on any given screen, paper or other media.  It saves the developer a lot of work since it can control the layout of multiple web pages simultaneously.

Ways to add CSS to HTML Elements

• Inline – used to apply a unique style to a single HTML element. It uses the style attribute of an HTML element.
• Internal – used to describe a style for one HTML page. It is indicated in the <head> section of an HTML page, within a <style> element.
• External – used to define the style for multiple HTML pages by using an external CSS file. You can change the look of an entire website by changing one file.  This is the most common way to add CSS to HTML elements.

HTML Structure vs. HTML Presentation

The composition of a webpage could be regarded as a mixture of the following four elements:

• Content is the general term used for all the browser-displayed information elements—such as text, audio, still images, animation, video, multimedia, and files belonging to web pages. It does not require any additional presentational markups or styles in order to fully relay its message.
• Structure is the name given to the practice of using HTML in content to transmit substance, and also to define how blocks of information are structured in relation to one another. Examples include: “This is a list,” (i, d, k), “This is heading and subheading,” (<h1>, <h2>, …, <h6>), “This section is related to,” (<a>), etc.
• Presentation of Style refers to anything related to how the content and structure is presented. Examples include size, color, margins, borders, layout, location, etc.
• Behaviour or Interactivity is the implementation of client-side script to generate a two-way flow of information between the webpage and its users. JavaScript is an example of this.

Most of the time it is difficult to clearly distinguish content from the structure.  For example, the <img> tag, as a structural element, is used to produce graphical content.  In practice, the composition of a webpage can simply be viewed as a mixture of three elements: Structure, Presentation and Behavior.

The following terms are often used in correspondence with one another: separation of content and presentation, separation of meaning and presentation, and separation of structure and presentation.  Nonetheless, all of these terms basically make reference to the separation of the content (which is made meaningful by structure and presentation), or simply acknowledge the separation of the structure (HTML) and the presentation (CSS) of any given webpage.

The main goal of HTML 4.01 is the separation of structure and presentation,  as specified in section 2.4.1 of HTML 4.01.

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Related Topics

Data presentation - html5 tables demystified, lesson 5 – html5 tables.

HTML5 tables are fundamental for structuring and displaying data in rows and columns. Let's unravel their components and significance:

Creating Tables: `<table>`, `<tr>`, `<td>`, `<th>`:

     `<table>`: The container element for the entire table structure.

     `<tr>` (Table Row): Denotes a row within the table.

     `<td>` (Table Data): Represents individual cells in a table row.

     `<th>` (Table Header): Defines table header cells, typically used for column headers.

Table Formatting: Adding Headers, Footers, and Borders:

     Adding `<th>` elements in the first row (`<tr>`) creates table headers.

     Utilizing CSS or HTML attributes for table formatting, such as borders (`border` attribute), alignment, cell padding, and cell spacing.

Accessibility in Tables: Importance of Semantic Table Markup:

    - Employing semantic table markup ensures accessibility for screen readers.

    - Using appropriate elements and attributes, like `<caption>`, `<thead>`, `<tbody>`, `<tfoot>`, improves table semantics for assistive technologies.

Practical Application:

Let's apply this knowledge practically:

Constructing Tables to Display Data in Rows and Columns:

    Create a simple table structure:

    ```html

    <table border="1">

        <thead>

            <tr>

                <th>Column 1</th>

                <th>Column 2</th>

            </tr>

        </thead>

        <tbody>

                <td>Data 1</td>

                <td>Data 2</td>

            <!-- More rows and data -->

        </tbody>

    </table>

    ```

     `<thead>` encapsulates the table header.

     `<tbody>` contains the main body of the table with rows and cells.

Formatting Tables with Headers, Footers, and Borders:

    Add formatting and header/footer information to the table:

        <caption>Monthly Sales Report</caption>

                <th>Month</th>

                <th>Sales</th>

        <tfoot>

                <td>Total</td>

                <td>$5000</td>

        </tfoot>

                <td>January</td>

                <td>$1000</td>

            <!-- More rows -->

     `<caption>` provides a title or description for the table.

     `<tfoot>` contains the table footer, often used for summary rows.

Implementing Accessible Table Structures for Screen Readers:

    Enhance table accessibility with semantic markup:

        <caption>Student Grades</caption>

                <th scope="col">Subject</th>

                <th scope="col">Grade</th>

                <th scope="row">Math</th>

                <td>A</td>

     Use `scope` attribute in `<th>` to define the scope of the header cell.

Mastering HTML5 tables empowers you to effectively organize and present data on your web pages. Proper table structuring, formatting, and ensuring accessibility not only enhance the visual appeal but also contribute to a better user experience for all visitors, including those using assistive technologies. As you incorporate these techniques, you'll transform data representation into an accessible and informative experience for your audience.

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Rough Timeline of Web Technologies

What is the html5, offline / storage.

• Web Storage
• Web SQL Databases
• Application Cache

Realtime / Communication

• Web Workers

File / Hardware Access

• Native Drag & Drop
• Desktop Drag-In (File API)
• Destop Drag-Out
• FileSystem APIs (demo - ko can thiet)
• Geolocation (cần)
• Device Orientation (sơ sơ - demo)
• Speech Input (demo)

Semantics & Markup

• Better semantic tags
• Markup for application
• Description link relations
• ARIA attributes
• New from types
• Form field types on mobile

Graphics / Multimedia

• Autido - Video (sơ sơ)
• Track Element (sơ sơ)
• FullScreen API
• Canvas example
• Canvas 3D(WebGL)
• CSS Selectors
• Text wrapping
• Text stroke
• Hue/saturation/luminance color
• Rounded corners
• Instant Web 2.0 (just add sliders)
• Background enhancements
• Border image
• Flexible Box Model
• Transitions

Nuts & Bolts

• New Selectors
• Custom data-* attributes
• Element.classList
• History API

kickstarter for HTML5 projects.

• JavaScript 41.9%