代码
1.JS文件
var namelist=[
"1号球","2号球","3号球","4号球","5号球","6号球","7号球","8号球","9号球","10号球"];
var mytime=null;
function doit(){
var bt=window.document.getElementById("bt");
if(mytime==null){
bt.innerHTML="停止抽奖";
show();
}else{
bt.innerHTML="开始抽奖";
clearTimeout(mytime);
mytime=null;
}
}
function show(){
var box=window.document.getElementById("box");
var num=Math.floor((Math.random()*100000))%namelist.length;
box.innerHTML=namelist[num];
mytime=setTimeout("show()",1);
} // JavaScript Document
2.html文件
<script type="text/javascript" src="js.js">
</script>