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"These memory leaks often
occur as a result of circular references between JavaScript objects and
objects within IE’s DOM (document object model)."
GPDE Team Blog
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var e=document.getElementBy??("XX");
e.onclick=function(){}
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scopechain.e = document.getElementBy??("XX");
function f(){}
function f(){}.[[scope]] = scopechain
e.onclick = f
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<button id="testx">No Memory Leak Event Bind</button>
<button id="testy">No Memory Leak Event Bind</button>
<script type="text/javascript">
var fooA = function(){
    var f = function(){alert(this+'\n'+fooA);}
    !function(){
        var d = document.getElementById('testx');
        d.onclick = f;
    }()
}
fooA();
var fooB = function(){
    this.onclick = function(){alert(this+'\n'+fooB);}
}
fooB.call(document.getElementById('testy'));
</script>


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<head>
<mce:script type="text/javascript"><!--
function myclick(event){
var ev =event.srcElement ? event.srcElement : event.target;
}

// --></mce:script>
......
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