how to get body content of iframe by javascript?

Posted by Shore on Stack Overflow See other posts from Stack Overflow or by Shore
Published on 2009-05-29T16:30:12Z Indexed on 2010/03/27 0:23 UTC
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JavaScript

|

iframe

<iframe id="id_description_iframe" class="rte-zone" height="200" frameborder="0" title="description">
<html>
<head>
</head>
<body class="frameBody">
test
<br/>
</body>
</html>
</iframe>

Here,what I want to get is :

test
    <br/>

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