js代码|弹窗显示网站加载时间(js网页弹窗)
时间:2021-08-27 21:54:49 阅读:942
<script>
<!--
x = new Date()
function cal() {
y = new Date()
diff = y.getTime() - x.getTime()
alert("加载本页共用了 " + diff/1000 + " 秒")
}
//--></script>
</head>
<body onload=cal()>
<br />
测试一下
</body>

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