How to resize iFrame via jQuery?

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I've been trying to adjust the size of an iFrame based on its content by using info from here. His demo is located here.I am using the following:\[code\]$("#IframeId").load(function() { $(this).height( $(this).contents().find("body").height() );});\[/code\]Is the \[code\].find("body")\[/code\] checking for "body" in the header section of the inner iframe content? I do see that in the hosted page.I also added the following to the above code:\[code\] alert($(this).height( $(this).contents().find("body").height()));\[/code\]I don't see the alert.