案例:html/html5 案例     状态:可编辑再运行    进入竖版
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<!DOCTYPE html>
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<html>
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<body>
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<form action="/example/demo_form.aspx">
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<textarea rows="2" cols="20" name="fname" wrap="hard">
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</textarea>
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<input type="submit">
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</form>
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</body>
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</html>