< html > 
     < head > 
         < script language = “ JScript “ > function  AttachEvents(element)
        {
             //  This structure causes element to ref ClickEventHandler  
            element.attachEvent( “ onclick “ , ClickEventHandler); function  ClickEventHandler()
            {
                 //  This closure refs element    
            }
        } function  SetupLeak()
        {
             //  The leak happens all at once 
            AttachEvents(document.getElementById( “ LeakedDiv “ ));
        } </ script > 
     </ head > < body onload = “ SetupLeak() “   > 
         < div id = “ LeakedDiv “ ></ div > 
     </ body > 
</ html >

function BreakLeak() { document.getElementById(”LeakedDiv”).detachEvent(”onclick”, document.getElementById(”LeakedDiv”).expandoClick);  document.getElementById(”LeakedDiv”).expandoClick = null; }