tryjsref_onpageshow 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool在线教程(w3cschool.cn)</title>
</head>
<body onpageshow="myFunction()">
<h1>Hello World!</h1>
<script>
function myFunction() {
    alert("Welcome!");
}
</script>
</body>
</html>
 
 
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运行结果
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