w3css 在线编辑器 | w3css代码测试

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.cainiaomax.com/w3css/4/w3.css">
<body>

<div class="w3-container">
  <h2>过滤器列表</h2>
  <p>在输入字段中搜索名称。</p>

<input class="w3-input w3-border w3-padding" type="text" placeholder="Search for names.." id="myInput" onkeyup="myFunction()">
  <ul class="w3-ul w3-margin-top" id="myUL">
    <li>Adele</li>
    <li>Agnes</li>
    <li>Billy</li>
    <li>Bob</li>
    <li>Calvin</li>
    <li>Christina</li>
    <li>Cindy</li>
  </ul>
</div>

</body>
</html>

报个问题: