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Old Nov 3, 2010, 11:47 AM   #1
AWShuttleworth
macrumors newbie
 
Join Date: Jul 2007
Quick JavaScript help?

I'm trying to use JS to check if a string is on a page, and if it is, to inject some HTML into a DIV on the page. Here's my code—what stupid mistake am I making?

Code:
<script type="text/javascript">
  if (document.body.innerHTML.indexOf('My String'))
  	{
  	document.getElementById('target').innerHTML = 'Hello, world!';
  	}
</script>
<div id="target"></div>
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Old Nov 3, 2010, 12:58 PM   #2
Dunmail
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Join Date: Mar 2009
Location: Skipton, UK
Where are you running this script? It is only likely to work if you run it after the body has loaded so either attach it using the body onload event or if you are using jquery or the like use document.ready.
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