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<html>
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<head>
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<meta charset="utf-8">
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<title>蜜蜂教程(mifengjc.com)</title>
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</head>
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<body onpageshow="myFunction()">
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<h1>Hello World!</h1>
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<script>
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function myFunction() {
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alert("Welcome!");
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}
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</script>
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</body>
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</html>