JS to determine whether an IFRAME load completed method _javascript tips

This paper illustrates the method of JS to judge whether an IFRAME is loaded or not. Share to everyone for your reference, specific as follows:

<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en"
"HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >
< html>
 
 

Or:

<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en"
"HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >
< html>
 
 

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