javascript - run function on frame when window finish load -


i want run function click on spesific id inside frame, make 2 html file , write script this

the main html index.html

    <!doctype html>      <head>       <meta http-equiv="content-type" content="text/html; charset=utf-8" />        <script type="text/javascript">        function autoclick(){     document.getelementbyid('framing').contentwindow.document.getelementbyid('trig').click();         }        </script>      </head>      <body onload="autoclick();">             <iframe name="framing" id="framing" src="testing.html" frameborder="0" scrolling="no" height="1200px" width="100%"></iframe>      </body>     </html> 

and 1 testing.html

    <!doctype html>     <html>      <head>       <meta charset="utf-8">       <script>        window.onbeforeunload = function(){        return false; // stop redirecting.       }       </script>      </head>     <body>     <div>       <a id="trig" href='http://www.redirect.com/' target='iname'>home</a>     </div>         <iframe src="about:blank" name="iname" frameborder="0" scrolling="no" height="1200px" width="100%"></iframe>     </body>     </html> 

so when index.html finish load page, want function click on <a id=trig" href='http://www.redirect.com/' target='iname'>home</a> on testing.html inside frame framing , when clicked, trig load site http://www.redirect.com contained inside iname frame, site http://www.redirect.com have script redirect tld site, put script preventing page break out iframe ` window.onbeforeunload = function(){ return false; // stop redirecting. }

this 2 html file hosted on same domain. when try run it, function click not triggered, can me?

thank you, , sorry bad english, not native language


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