New elements have been introduced in HTML5

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The various versions of HTML that have been released are as follows:
  1) HTML 2.0 (November 1995)
  2) HTML 3.2 (January 1997)
  3) HTML 4.0 (December 1997)
  4) HTML 4.01 (December 1999)
 
HTML5 works with modern browsers and also offers backward compatibility. 

HTML5 has a lot of new features that will change the approach in designing websites.

HTML5 is used extensively for web-based applications, modifications have been made in the present APIs and new APIs have been introduced.
 

APIs have been developed for media elements such as audio and video.

Drag-and-drop APIs and elements such as canvas have been included inHTML5. 

Facilities such as offline data storage, are a feature of HTML5 and APIs have been developed for this purpose.

Error handling is another feature of HTML5, which will make it easier to write valid HTML code. HTML5 has strict parsing rules to handle errors in the code.

New elements have been introduced in HTML5. 

The new elements are as follows:
 
       1) <header>
       2) <footer>
       3) <nav>
       4) <section>
       5) <aside>
       6) <article>

Header Element

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The header element is very important as it provides more accessibility than other elements, like the footer. 

The search engine finds the content in the header tag quite easily. 

Moreover, using the header element accounts for an appropriate way of web designing. The header can be used to denote the heading of a blog, a web page,or an article.

<html>
<body>
<header>
<h2> Importance of the Header element </h2>

<hr>
</header>
<p> The header element tells the crawler about the content inside it 

</p>
</body>
</html>


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