XHTML vs HTML5: What Changed and Why It Mattered
The history of XHTML — why it was created, what it required, why it failed to replace HTML, and what HTML5 learned from the XHTML era that shapes modern web …
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HTML5 Media Elements: Video, Audio, and the End of the Plugin Era
How the video and audio elements replaced Flash and other plugins, what native browser controls provide, and how to handle formats and fallbacks.
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