INTRODUCING THE NEW AND CHANGED HTML5 TAGS AND ATTRIBUTES
HTML5 has introduced several new tags and attributes from the previous HTML 4.01 standard. This was done by WHATWG to prepare the Internet for the future paradigm of web applications. The new standard includes better page structure definitions through semantic markup tags, new features such as the Canvas API, multimedia APIs, and new UI objects, and better text input through customizable text input types.
Some tags and attributes were even changed slightly from HTML 4.01. This was done to better define how they are to be used in the real world and to make them easier to use.
Note the following tables describe only the changes from HTML 4.01 to HTML5. A more-complete list of HTML5-supported ...
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