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JS method to obtain longdesc attribute in iframe_javascript skills

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2016-05-16 16:06:291415browse

The example in this article describes the JS method of obtaining the longdesc attribute in an iframe. Share it with everyone for your reference. The details are as follows:

The longdesc attribute points to a page containing descriptive information. 

<!DOCTYPE html>
<html>
<body>
<iframe id="myframe" src="/default.asp" longdesc="jb51.net">
<p>Your browser does not support iframes.</p>
</iframe>
<p>The URL of the long description is:
<script>
document.write(document.getElementById("myframe").longDesc);
</script>
<p>
</body>
</html>

The above code returns the following result: The URL of the long description is:jb51.net

I hope this article will be helpful to everyone’s JavaScript programming design.

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