<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>定时器 延时调用setTimeout</title>
<!--
setTimeout("代码a",n);打开页面n毫秒后执行代码a
clearTimeout(setTimeout());取消setTimeout();
-->
</head>
<body>
<script>
var x;//全局变量x
function a(){
x=setTimeout("document.write(‘我在5秒后显示‘)",1000);//将定时代码赋值给x
}
function b(){
clearTimeout(x);//清除x
}
a();//调用a
b();//调用b
</script>
</body>
</html>
原文地址：https://www.cnblogs.com/vinson-blog/p/12077403.html
时间： 2024-10-09 13:20:53