December 2013
Intermediate to advanced
518 pages
15h 36m
English
Content preview from HTML5: The Missing Manual, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Introduction
At first glance, you might assume that HTML5 is the fifth version of the HTML web page–writing language. But the real story is a whole lot messier.
HTML5 is a rebel. It was dreamt up by a loose group of freethinkers who weren’t in charge of the official HTML standard. It allows page-writing practices that were banned a decade ago. It spends thousands of words painstakingly telling browser makers how to deal with markup mistakes, rather than rejecting them outright. It finally makes video playback possible without a browser plug-in like Flash. And it introduces an avalanche of JavaScript-fueled features that can give web pages some of the rich, interactive capabilities of traditional desktop software.
Understanding HTML5 is no small feat. One stumbling block is that people use the word HTML5 to refer to a dozen or more separate standards. (As you’ll learn, this problem is the result of HTML5’s evolution. It began as a single standard and was later broken into more manageable pieces.) In fact, HTML5 has come to mean “HTML5 and all its related standards” or, even more broadly, “the next generation of web-page-writing technologies.” That’s the version of HTML5 that you’ll explore in this book: everything from the HTML5 core language to a few new features lumped in with HTML5 even though they were never a part of the standard.
The second challenge of HTML5 is browser support. Different browsers support HTML5 to different degrees. The most notable laggard is Internet Explorer ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.