案例：JavaScript案例     状态：可编辑再运行    进入竖版
 运行结果　
​x
 
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<!DOCTYPE html>
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<html>
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<head>
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<script src="/js/prototype1.7.2.js"></script>
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<script>
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function myFunction()
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{
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$("h01").writeAttribute("style","color:red").insert("Hello Prototype!");
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}
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Event.observe(window,"load",myFunction);
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</script>
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</head>
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​
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<body>
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<h1 id="h01"></h1>
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</body>
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</html>