77 lines
2.5 KiB
Markdown
77 lines
2.5 KiB
Markdown
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---
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id: bad87fee1348bd9aec908857
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title: Use Comments to Clarify Code
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challengeType: 0
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videoUrl: ''
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localeTitle: 使用注释来澄清代码
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---
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## Description
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<section id="description">当我们开始使用jQuery时，我们将修改HTML元素，而无需在HTML中实际更改它们。让我们确保每个人都知道他们不应该直接修改任何代码。请记住，您可以使用<code><!--</code>开始发表评论并使用<code>--></code>在HTML顶部添加评论“ <code>Only change code above this line.</code> </section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: 在HTML的顶部用<code><!--</code>开始评论。
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testString: 'assert(code.match(/^\s*<!--/), "Start a comment with <code><!--</code> at the top of your HTML.");'
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- text: 您的评论应该包含<code>Only change code above this line</code>的文本。
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testString: 'assert(code.match(/<!--(?!(>|->|.*-->.*this line))\s*.*this line.*\s*-->/gi), "Your comment should have the text <code>Only change code above this line</code>.");'
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- text: 请务必使用<code>--></code>关闭您的评论。
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testString: 'assert(code.match(/-->.*\n+.+/g), "Be sure to close your comment with <code>--></code>.");'
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- text: 你应该有相同数量的评论开启者和关闭者。
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testString: 'assert(code.match(/<!--/g).length === code.match(/-->/g).length, "You should have the same number of comment openers and closers.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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```html
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<div class="container-fluid">
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<h3 class="text-primary text-center">jQuery Playground</h3>
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<div class="row">
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<div class="col-xs-6">
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<h4>#left-well</h4>
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<div class="well" id="left-well">
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<button class="btn btn-default target" id="target1">#target1</button>
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<button class="btn btn-default target" id="target2">#target2</button>
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<button class="btn btn-default target" id="target3">#target3</button>
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</div>
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</div>
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<div class="col-xs-6">
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<h4>#right-well</h4>
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<div class="well" id="right-well">
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<button class="btn btn-default target" id="target4">#target4</button>
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<button class="btn btn-default target" id="target5">#target5</button>
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<button class="btn btn-default target" id="target6">#target6</button>
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</div>
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</div>
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</div>
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</div>
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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