<style>
*{
padding: 0px;
margin: 0px;
box-sizing: border-box;
}
#bigbox{
width: 500px;
height: 300px;
background-color: deepskyblue;
margin: 50px auto;
text-align: center;
}
#box{
line-height: 300px;
font-size: 30px;
}
input{
margin:10px auto;
width:300px;
height:40px;
}
</style>
</head>
<body>
<div >
<div >卷王点名器</div>
<input type="button" value="停止" >
<button >恢复首页</button>
</div>
</body>
</html>
<script>
var bt =document.getElementById('btn');
var box1=document.getElementById('box');
var bth=document.getElementById('bthg');
var inter= setInterval('randName()',100);
var randName =function(){
var name=['淑芬','海燕','旺财','小威威','虎娇娇','小田田','阿姆斯特旋天炮','彪哥','小柳柳','来顺'];
var n=parseInt(Math.random()*10);
box1.innerHTML=name[n];
}
bt.onclick =function(){
if(bt.value=='停止'){
clearInterval(inter);
bt.value='开始点名';
}
else{
bt.value='停止';
inter= setInterval('randName()',100);
}
}
bth.onclick=function(){
box1.innerHTML='卷王点名器';
}
</script>