!--NEWSZW_HZH_BEGIN--
代码断定一：
<div id="div">
click me
</div>
<script>
var div=document.getElementById("div");
div.addEventListener("click",function(){
alert("You have clicked me!");
});
for(var i =0; i<999999999;i++){
console.log(i);
}
</script>
<div id="div">
