<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js定时器运作原理</title>
</head>
<body>
<script type="text/javascript">
var i = 0;
var time = setInterval(function(){
clearInterval(time);//不影响这个函数执行完
console.log(i);
//弹出9;
//同setTimeout()原理一样;
//说明i = 9;影响到了i = 0;
},2000)
var i = 9;
</script>
</body>
</html>
js 定时器运作原理实例
最新推荐文章于 2021-07-08 16:27:36 发布