6.1 KiB

Raw Blame History

title

challengeType

forumTopicId

required

dashedName

bad87fee1348bd9aedd08845

在按钮中添加字体图标

16638

link	raw
https://use.fontawesome.com/releases/v5.8.1/css/all.css	true

add-font-awesome-icons-to-our-buttons

--description--

Font Awesome 是一个非常便利的图标库。我们可以通过 webfont 或矢量图的方式来使用这些图标。这些图标就和字体一样，不仅能通过像素单位指定它们的大小，它们也同样会继承父级 HTML 元素的字号。

可以将 Font Awesome 图标库添加至任何一个 web app 中，方法很简单，只需要在 HTML head 标签中添加以下代码即可：

<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous">

在这个挑战中，我们已经为你在页面上添加好了 Font Awesome 图标库。

i 元素原本是用来表示斜体文字内容的；不过现在，用它来表示图标也很常见。只需要为 i 元素添加相应的 class 就可以让它展示图标，比如：

<i class="fas fa-info-circle"></i>

同时，我们也可以使用 span 元素来展示图标。

--instructions--

请使用 Font Awesome 来为我们的点赞按钮添加一个 thumbs-up 图标，只需添加一个 class 包含 fas 和 fa-thumbs-up 的 i 元素即可。同时，请记得保留图标之后的文字内容 Like。

--hints--

应添加一个 class 包含 fas 和 fa-thumbs-up 的 i 元素。

assert($('i').is('.fas.fa-thumbs-up') || $('span').is('.fas.fa-thumbs-up'));

Like 按钮中应包含 fa-thumbs-up 图标。

assert(
  ($('i.fa-thumbs-up').parent().text().match(/Like/gi) &&
    $('.btn-primary > i').is('.fas.fa-thumbs-up')) ||
    ($('span.fa-thumbs-up').parent().text().match(/Like/gi) &&
      $('.btn-primary > span').is('.fas.fa-thumbs-up'))
);

i 元素应出现在 button 元素内。

assert(
  $('button').children('i').length > 0 ||
    $('button').children('span').length > 0
);

表示图标的元素应有闭合标签。

assert(code.match(/<\/i>|<\/span>/g));

--seed--

--seed-contents--

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  h2 {
    font-family: Lobster, Monospace;
  }

  .thick-green-border {
    border-color: green;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
  }
</style>

<div class="container-fluid">
  <div class="row">
    <div class="col-xs-8">
      <h2 class="text-primary text-center">CatPhotoApp</h2>
    </div>
    <div class="col-xs-4">
      <a href="#"><img class="img-responsive thick-green-border" src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>
    </div>
  </div>
  <img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg" class="img-responsive" alt="Three kittens running towards the camera.">
  <div class="row">
    <div class="col-xs-4">
      <button class="btn btn-block btn-primary">Like</button>
    </div>
    <div class="col-xs-4">
      <button class="btn btn-block btn-info">Info</button>
    </div>
    <div class="col-xs-4">
      <button class="btn btn-block btn-danger">Delete</button>
    </div>
  </div>
  <p>Things cats <span class="text-danger">love:</span></p>
  <ul>
    <li>cat nip</li>
    <li>laser pointers</li>
    <li>lasagna</li>
  </ul>
  <p>Top 3 things cats hate:</p>
  <ol>
    <li>flea treatment</li>
    <li>thunder</li>
    <li>other cats</li>
  </ol>
  <form action="https://freecatphotoapp.com/submit-cat-photo">
    <label><input type="radio" name="indoor-outdoor"> Indoor</label>
    <label><input type="radio" name="indoor-outdoor"> Outdoor</label>
    <label><input type="checkbox" name="personality"> Loving</label>
    <label><input type="checkbox" name="personality"> Lazy</label>
    <label><input type="checkbox" name="personality"> Crazy</label>
    <input type="text" placeholder="cat photo URL" required>
    <button type="submit">Submit</button>
  </form>
</div>

--solutions--

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  h2 {
    font-family: Lobster, Monospace;
  }

  .thick-green-border {
    border-color: green;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
  }
</style>

<div class="container-fluid">
  <div class="row">
    <div class="col-xs-8">
      <h2 class="text-primary text-center">CatPhotoApp</h2>
    </div>
    <div class="col-xs-4">
      <a href="#"><img class="img-responsive thick-green-border" src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>
    </div>
  </div>
  <img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg" class="img-responsive" alt="Three kittens running towards the camera.">
  <div class="row">
    <div class="col-xs-4">
      <button class="btn btn-block btn-primary"><i class="fas fa-thumbs-up"></i> Like</button>
    </div>
    <div class="col-xs-4">
      <button class="btn btn-block btn-info">Info</button>
    </div>
    <div class="col-xs-4">
      <button class="btn btn-block btn-danger">Delete</button>
    </div>
  </div>
  <p>Things cats <span class="text-danger">love:</span></p>
  <ul>
    <li>cat nip</li>
    <li>laser pointers</li>
    <li>lasagna</li>
  </ul>
  <p>Top 3 things cats hate:</p>
  <ol>
    <li>flea treatment</li>
    <li>thunder</li>
    <li>other cats</li>
  </ol>
  <form action="https://freecatphotoapp.com/submit-cat-photo">
    <label><input type="radio" name="indoor-outdoor"> Indoor</label>
    <label><input type="radio" name="indoor-outdoor"> Outdoor</label>
    <label><input type="checkbox" name="personality"> Loving</label>
    <label><input type="checkbox" name="personality"> Lazy</label>
    <label><input type="checkbox" name="personality"> Crazy</label>
    <input type="text" placeholder="cat photo URL" required>
    <button type="submit">Submit</button>
  </form>
</div>

6.1 KiB Raw Blame History