Insert a Script into a iFrame's Header, without clearing out the body of the iFrame

Posted by nobosh on Stack Overflow See other posts from Stack Overflow or by nobosh
Published on 2010-04-17T02:18:03Z Indexed on 2010/04/17 2:23 UTC
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Hello,

I'm looking to add a script to an iFrame's header while not losing everything contained in the iFrame's body or header...

here is what I have right now which does update the iFrame with the new script, but it cleans everything in the iframe out, not appends which is what I'd like. thxs! B

    // Find the iFrame
    var iframe = document.getElementById('hi-world');

    // create a string to use as a new document object
    var val = '<scr' + 'ipt type="text/javascript" src="http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js"></scr' + 'ipt>';

    // get a handle on the <iframe>d document (in a cross-browser way)
    var doc = iframe.contentWindow || iframe.contentDocument;
    if (doc.document) { doc = doc.document;}

    // open, write content to, and close the document
    doc.open();
    doc.write(val);
    doc.close();

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