JS的延时器 -tutorial js-php.cn

JS的延时器

不言

Lepaskan： 2018-04-10 11:48:26

asal

2634 orang telah melayarinya

本篇文章介绍的内容是js的延时器的代码，现在分享给大家，有需要的朋友可以参考一下

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" type="text/css" href="系统CSS初始化.css">
    <style>        #p1{            width: 50px;            height: 50px;            background: rebeccapurple;            float: left;            margin: 20px;
        }        #p2{            width: 200px;            height: 200px;            background: #555555;            float: left;            margin: 20px;            display: none;
        }
    </style>
    <script>        window.onload=function () {            var op1=document.getElementById("p1");            var op2=document.getElementById("p2");            var timer=null;            op1.onmousemove=function () {                clearTimeout(timer);                op2.style.display="block";
            }            op1.onmouseleave=function () {               timer= setTimeout(function ()
                {                    op2.style.display="none";
                },500)

            }            op2.onmousemove=function () {                clearTimeout(timer);
            }            op2.onmouseleave=function () {                timer=setTimeout(function () {                    op2.style.display="none";
                },500)

            }
        }
    </script>
</head>
<body>
<p id="p1";></p>
<p id="p2"></p>
</body>
</html>

Salin selepas log masuk

Atas ialah kandungan terperinci JS的延时器 . Untuk maklumat lanjut, sila ikut artikel berkaitan lain di laman web China PHP!