81 lines
3.1 KiB
Markdown
81 lines
3.1 KiB
Markdown
---
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id: bad87fee1348bd9aec908855
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title: Give Each Element a Unique id
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challengeType: 0
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videoUrl: ''
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localeTitle: 为每个元素赋予唯一ID
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---
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## Description
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<section id="description">我们还希望能够使用jQuery通过其唯一ID来定位每个按钮。每个按钮提供一个唯一的ID，从<code>target1</code> ，结束时用<code>target6</code> 。确保<code>target1</code>到<code>target3</code>在<code>#left-well</code> ，而<code>target4</code>到<code>target6</code>在<code>#right-well</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: 一个<code>button</code>元素应该具有id <code>target1</code> 。
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testString: 'assert($("#left-well").children("#target1") && $("#left-well").children("#target1").length > 0, "One <code>button</code> element should have the id <code>target1</code>.");'
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- text: 一个<code>button</code>元素应该具有id <code>target2</code> 。
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testString: 'assert($("#left-well").children("#target2") && $("#left-well").children("#target2").length > 0, "One <code>button</code> element should have the id <code>target2</code>.");'
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- text: 一个<code>button</code>元素应该具有id <code>target3</code> 。
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testString: 'assert($("#left-well").children("#target3") && $("#left-well").children("#target3").length > 0, "One <code>button</code> element should have the id <code>target3</code>.");'
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- text: 一个<code>button</code>元素应该具有id <code>target4</code> 。
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testString: 'assert($("#right-well").children("#target4") && $("#right-well").children("#target4").length > 0, "One <code>button</code> element should have the id <code>target4</code>.");'
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- text: 一个<code>button</code>元素应该具有id <code>target5</code> 。
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testString: 'assert($("#right-well").children("#target5") && $("#right-well").children("#target5").length > 0, "One <code>button</code> element should have the id <code>target5</code>.");'
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- text: 一个<code>button</code>元素应该具有id <code>target6</code> 。
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testString: 'assert($("#right-well").children("#target6") && $("#right-well").children("#target6").length > 0, "One <code>button</code> element should have the id <code>target6</code>.");'
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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"></button>
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<button class="btn btn-default target"></button>
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<button class="btn btn-default target"></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"></button>
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<button class="btn btn-default target"></button>
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<button class="btn btn-default target"></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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