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In this tutorial: http://railstutorial.org/chapters/filling-in-the-layout#top

There is "header"

I know that in HTML there is "head"

But, what is <header> ?

Thanks.

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<header> is one of several new tags in HTML5 that are supposed to replace <div> for some specific situations. In particular, the "header" part of your page - whatever that is, usually the part that would be wrapped in <div class="header"> - in HTML5 you should use <header> instead.

Chapter 3 of Dive into HTML5 by Mark Pilgrim does an excellent job going into the details of when and why to use the new <header> element.


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