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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<form name="Form1"></form>
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<form name="Form2"></form>
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<form></form>
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​
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<p>Number of forms:
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<script>
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document.write(document.forms.length);
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</script></p>
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​
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</body>
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</html>