代码编辑器:
x
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<meta charset="utf-8">
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<link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/>
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<script src="https://cdn.staticfile.org/jquery/2.2.4/jquery.min.js"></script>
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<script>
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$(document).ready(function(){
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$(":button").css("background-color","red");
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});
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</script>
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<form action="">
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用户名: <input type="text" name="user"><br>
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密码: <input type="password" name="password"><br>
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<button type="button">没用的按钮</button>
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<input type="button" value="另外一个没用的按钮"><br>
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<input type="reset" value="重置">
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<input type="submit" value="提交"><br>
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</form>
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