实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<body>
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​
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<script>
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var patt1=new RegExp("e");
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​
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document.write(patt1.test("The best things in life are free"));
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</script>
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​
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</body>
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</html>
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