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var delegate = function(selector,type,callback){
var els = $(selector);
addEvent(document,type,function(e){
var flag = true;
var node = e.srcElement || e.target;
for(var i=0,el;el = els[i++];){
if(node === el){
flag = false;
return callback.call(node,e);
}
}
if(flag){
els = $(selector);
for(var i=0,el;el = els[i++];){
if(node === el){
return callback.call(node,e);
}
}
}
},true);
}


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el.addEventListener( type, callback, !!data );
} else if ( el.attachEvent ) {
el.attachEvent( "on" + type, function(){
return callback.call(el,window.event)
});
}
}
var delegate = function(selector,type,callback){
var els = $(selector);
addEvent(document,type,function(e){
var flag = true;
var node = e.srcElement || e.target;
for(var i=0,el;el = els[i++];){
if(node === el){
flag = false;
return callback.call(node,e);
}
}
if(flag){
els = $(select


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