4.7 KiB
4.7 KiB
id | title | challengeType | forumTopicId | dashedName |
---|---|---|---|---|
bad87fee1348cd8acef08812 | 創建一個 Bootstrap 塊級元素按鈕 | 0 | 16810 | create-a-block-element-bootstrap-button |
--description--
一般情況下,btn
和 btn-default
兩個 classes 修飾的 button
元素寬度與它包含的文本相同, 舉個例子:
<button class="btn btn-default">Submit</button>
這個按鈕的寬度應該和文本 Submit
的寬度相同。
提交
通過爲按鈕添加 class 屬性 btn-block
使其成爲塊級元素,按鈕會伸展並填滿頁面的整個水平空間,後續的元素會流到這個塊級元素的下方,即 "另起一行"。
<button class="btn btn-default btn-block">Submit</button>
這個按鈕會 100% 佔滿所有的可用寬度。
提交
注意,這些按鈕仍然需要 btn
這個 class。
給剛創建的 Bootstrap 按鈕添加 Bootstrap 的 btn-block
class。
--hints--
按鈕仍然應該有 btn
和 btn-default
class。
assert($('button').hasClass('btn') && $('button').hasClass('btn-default'));
按鈕應該有 btn-block
class。
assert($('button').hasClass('btn-block'));
所有 button
元素都應該有閉合標籤。
assert(
code.match(/<\/button>/g) &&
code.match(/<button/g) &&
code.match(/<\/button>/g).length === code.match(/<button/g).length
);
--seed--
--seed-contents--
<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
.red-text {
color: red;
}
h2 {
font-family: Lobster, Monospace;
}
p {
font-size: 16px;
font-family: Monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
.smaller-image {
width: 100px;
}
</style>
<div class="container-fluid">
<h2 class="red-text text-center">CatPhotoApp</h2>
<p>Click here for <a href="#">cat photos</a>.</p>
<a href="#"><img class="smaller-image thick-green-border" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
<img src="https://bit.ly/fcc-running-cats" class="img-responsive" alt="Three kittens running towards the camera.">
<button class="btn btn-default">Like</button>
<p>Things cats love:</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>
.red-text {
color: red;
}
h2 {
font-family: Lobster, Monospace;
}
p {
font-size: 16px;
font-family: Monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
.smaller-image {
width: 100px;
}
</style>
<div class="container-fluid">
<h2 class="red-text text-center">CatPhotoApp</h2>
<p>Click here for <a href="#">cat photos</a>.</p>
<a href="#"><img class="smaller-image thick-green-border" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
<img src="https://bit.ly/fcc-running-cats" class="img-responsive" alt="Three kittens running towards the camera.">
<button class="btn btn-block btn-default">Like</button>
<p>Things cats love:</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>