2018-10-10 22:03:03 +00:00
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id: bad87fee1348bd9aec908850
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2020-12-16 07:37:30 +00:00
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title: 给 Bootstrap 按钮添加默认样式
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2018-10-10 22:03:03 +00:00
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challengeType: 0
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2020-09-07 08:17:39 +00:00
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forumTopicId: 16657
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2018-10-10 22:03:03 +00:00
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---
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2020-12-16 07:37:30 +00:00
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# --description--
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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Bootstrap 还有另外一种属于按钮的 class 属性叫做 `btn-default`。
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2020-09-07 08:17:39 +00:00
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2020-12-16 07:37:30 +00:00
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为 `button` 元素增加两个 class： `btn` 和 `btn-default`。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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# --hints--
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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将 `btn` class 添加到所有的 `button` 元素中。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert($('.btn').length > 5);
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2018-10-10 22:03:03 +00:00
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```
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2020-12-16 07:37:30 +00:00
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将 `btn-default` class 添加到每一个 `button` 元素中。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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assert($('.btn-default').length > 5);
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2018-10-10 22:03:03 +00:00
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```
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2020-12-16 07:37:30 +00:00
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# --solutions--
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2020-08-13 15:24:35 +00:00
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