//byxmg
<script>
functionaddEvent(obj,eventName,eventFunc){
if(obj.attachEvent){
obj.attachEvent(eventName,eventFunc);
}elseif(obj.addEventListener){
eventName=eventName.toString().replace(/on(.*)/i,'$1');
obj.addEventListener(eventName,eventFunc,true);
}
}
functiondelEvent(obj,eventName,eventFunc){
if(obj.detachEvent)
obj.detachEvent(eventName,eventFunc)
elseif(obj.removeEventListener){
eventName=eventName.toString().replace(/on(.*)/i,'$1');
obj.removeEventListener(eventName,eventFunc,true);
}
}
</script>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>
<buttononclick=addEvent(document,"onclick",test1)>add1</button><br>
<buttononclick=delEvent(document,"onclick",test1)>del1</button><br>
<buttononclick=addEvent(document,"onclick",test2)>add2</button><br>
<buttononclick=delEvent(document,"onclick",test2)>del2</button><br>
<script>
functiontest1(){
alert("test1")
}
functiontest2(){
alert("test2")
}
document.onclick=function(){
alert(1)
}
</script>
</BODY>
</HTML>