HTML5 Tutorials

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    Six Tiny But Awesome ES6 Features

    Everyone in the JavaScript community loves new APIs, syntax updates, and features -- they provide better, smarter, more efficient ways to accomplish important tasks.  ES6 brings forth a massive wave of new goodies and the browser vendors have worked hard over the past year to get those language updates...

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    HTML5 Video Player Best Practices

    Let's all be honest:  when it comes to media and the early days of the internet, we definitely did it all wrong.  We started with embedded video players like RealPlayer and Windows Media Player which required custom codecs and browser plugins, then moved on to Flash and...

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    Mozilla, Web Virtual Reality, and A-Frame

    I was fortunate enough to make Game Developer Conference this year and the big story was virtual reality.  Hell, you couldn't go five feet without seeing someone pitching their VR hardware, software, or likewise technology.  They were all proprietary solutions, including Oculus, Epic Games, and so on.  You...

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    ping Attribute

    One of the attributes I somehow missed with the HTML5 revolution was the ping attribute;  Other attributes were more popular, download being one of them.  Hell, I just stumbled upon the ping attribute while reading an old forum post.  The ping attribute of an a element represents a...

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    JavaScript Promise API

    While synchronous code is easier to follow and debug, async is generally better for performance and flexibility. Why "hold up the show" when you can trigger numerous requests at once and then handle them when each is ready?  Promises are becoming a big part of the JavaScript world...

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    Don’t Wait for ServiceWorker: Adding Offline Support with One-Line

    The HTML5 Application Cache should make building offline-friendly web apps possible. In practice, its unforgiving nature makes it very challenging to use at all, giving it a uniquely negative reputation among front-end developers. It's expected that apps continue to work offline—most users don't won't care about...

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    File Input accept Attribute

    The HTML5 revolution provided us several simple but important attributes like download, autofocus, required, novalidate, and placeholder.  There's another one you may want to know about:  accept.  The accept attribute is useful for input[type=file] elements.  Let's have a look at it! The HTML I'll...

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    Get HTML5 Camera and Video on iPhone

    One of the questions I get asked most often via my contact form is how to get access to the camera and video recorder on the iPhone from within the browser.  It's a valid question, one that I've not come across in the needs of...

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    fetch API

    One of the worst kept secrets about AJAX on the web is that the underlying API for it, XMLHttpRequest, wasn't really made for what we've been using it for.  We've done well to create elegant APIs around XHR but we know we can do better.  Our effort to...

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    File API

    Working with file uploads, especially on the front end, was always a hassle.  We didn't use to be able to drag and drop files, complete AJAX uploads, provide multiple files, and hell, we couldn't get any information about the file until it hit the server; you'd...