javascript - Eventlistener for child window opened by extjs -

i have extjs code create window

var window = ext.create('ext.window.window',{     title : headermsg,     width : 350,     height : 250,     layout : 'fit',     plain : true,     buttonalign : 'center',     items : [{         xtype : 'box',         autoel : {             tag : 'iframe',             src : 'some.asp',             height : '100%',             width : '100%',             style : 'cursor:pointer;top:10px'         }     }     ] }); window.show(); } })); 

in some.asp have button

<button class="stdbutton" onclick="windowclose();" id=button2 name=button2> 

i dont know how create asp in fiddle created extjs please check followinf link :

https://fiddle.sencha.com/#fiddle/14bj 

imagine have button(button id: button2) on src : 'ccc.de';, , when click button should catch event in js thank

i should not made changes in asp adding onclick() function..etc

what tried adding

$("#button2").click(function() { alert("button2 clicked"); }); 

works in js fiddle http://jsfiddle.net/30w751ew/3/ didnot worked me

thanks in advance !!

try add script code html adding query:

<script src="jquery-1.12.0.min.js"></script> 

your fiddle don't have it, query library being loaded fiddle webpage thats why works on fiddle.