JS lambda | 菜鸟工具

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>文档标题</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
</head>
<body>
    <h1>我的第一个HTML页面</h1>
    <p>我的第一个段落。</p>
  
  <button onclick="filterOperation()">
    test
  </button>
</body>
</html>
HTML