does javascript code need to start with "<!-- " ?

Posted by sunglim on Stack Overflow See other posts from Stack Overflow or by sunglim
Published on 2010-03-17T10:14:18Z Indexed on 2010/03/17 10:21 UTC
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JavaScript

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html-comment

I am newbie.

many of javascript code start with <!--

<script type="text/javascript">
        <!--

and finish with //-->

//-->
    </script>

I think the reason is for compatibility.
But I cannot find the clue in any books.

even I cannot find anything with google.

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