web-dev-docs/test.html at main · atimidguy/web-dev-docs · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link
      rel="stylesheet"
      href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
    />
    <style>
      .sb::before {
        content: '';
        display: block;
        border: 1px solid yellow;
        /* padding-top: 53%; */
        height: 30px;
      }
    </style>
    <title>Document</title>
  </head>
  <body>
    <div class="container row">
      <a class="col-4" href="#">this is a link</a>
      <div class="col-4 ml-auto">
        <ul class="row justify-content-around border list-unstyled">
          <!-- 给li 加上display: block 可以使项目符号消失 (相当于加上list-style: none;) -->
          <li style="display: block;">a</li>
          <li style="list-style: none;">b</li>
          <li>c</li>
        </ul>
      </div>
    </div>

    <ul class="list-group m-4">
      <li class="px-2 list-group-item">123123</li>
      <li class="list-group-item">1123123</li>
      <li class="list-group-item">1123123</li>
      <li class="list-group-item">1123123</li>
    </ul>

    <div class="container mb-4 border">
      <div class="row">
        <div class="bg-primary col-4">1</div>
        <div class="bg-primary col-9">2</div>
      </div>
    </div>

    <div class="container mb-4 border">
      <div class="row">
        <div class="bg-primary col-6 col-sm-4">1</div>
        <div class="bg-primary col-6 col-sm-4">2</div>
        <!-- hack: Force next columns to break to new line -->
        <div class="w-100"></div>
        <div class="bg-primary col-6 col-sm-4">3</div>
        <div class="bg-primary col-6 col-sm-4">4</div>
      </div>
    </div>

    <div class="container">
      <div class="row">
        <div class="col">
          First in DOM, no order applied
        </div>
        <div class="col order-12">
          Second in DOM, with a larger order
        </div>
        <div class="col order-1">
          Third in DOM, with an order of 1
        </div>
      </div>
    </div>

    <hr />

    <div class="container">
      <div class="row">
        <div class="col order-last">
          First in DOM, ordered last
        </div>
        <div class="col">
          Second in DOM, unordered
        </div>
        <div class="col order-first">
          Third in DOM, ordered first
        </div>
      </div>
    </div>

    <!-- <div class="embed-responsive embed-responsive-1by1 w-50">
      隐藏iframe的滚动条: scrolling="no"
      <iframe
        scrolling="no"
        class="embed-responsive-item"
        src="https://www.baidu.com"
      ></iframe>
    </div> -->

    <div class="container">
      <div id="app" class="btn btn-primary">Click me</div>
      <hr />
      <div>
        <a href="#">this is a link</a>
        <div class="d-flex d-sm-inline-flex align-items-center">
          <a href="">12345</a>
          <a href="">12345</a>
          <a href="">12345</a>
        </div>
      </div>
    </div>

    <script>
      function xixi(e) {
        if (e.target.tagName === 'DIV') {
          console.log('xixi');
        } else {
          console.log('haha');
        }
      }
      document.getElementById('app').onclick = xixi;
    </script>
  </body>
</html>