2018-10-10 18:03:03 -04:00
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---
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id: 587d7788367417b2b2512aa3
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challengeType: 0
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2020-02-11 17:06:41 +08:00
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videoUrl: 'https://scrimba.com/c/crVrDh8'
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forumTopicId: 301022
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2020-10-01 17:54:21 +02:00
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title: 使用 footer 元素使屏幕阅读器更容易导航
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2018-10-10 18:03:03 -04:00
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---
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## Description
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2020-02-11 17:06:41 +08:00
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<section id='description'>
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与<code>header</code>和<code>nav</code>类似，<code>footer</code>也具有语义化特性，可以使辅助设备快速定位到它。它位于页面底部，用于呈现版权信息或者相关文档链接。
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</section>
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2018-10-10 18:03:03 -04:00
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## Instructions
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2020-02-11 17:06:41 +08:00
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<section id='instructions'>
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Camper Cat 的忍者训练页面进展顺利。请将他在页面底部呈现版权信息的<code>div</code>标签更改为<code>footer</code>标签。
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</section>
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2018-10-10 18:03:03 -04:00
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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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2020-02-11 17:06:41 +08:00
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- text: '你的代码中应该包含 1 个<code>footer</code>标签。'
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testString: assert($('footer').length == 1);
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- text: '你的代码中不应包含<code>div</code>标签。'
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testString: assert($('div').length == 0);
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- text: '你代码中的<code>footer</code>应该是闭合的。'
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testString: assert(code.match(/<footer>\s*© 2018 Camper Cat\s*<\/footer>/g));
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2018-10-10 18:03:03 -04:00
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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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<body>
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<header>
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<h1>Training</h1>
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<nav>
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<ul>
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<li><a href="#stealth">Stealth & Agility</a></li>
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<li><a href="#combat">Combat</a></li>
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<li><a href="#weapons">Weapons</a></li>
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</ul>
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</nav>
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</header>
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<main>
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<section id="stealth">
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<h2>Stealth & Agility Training</h2>
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<article><h3>Climb foliage quickly using a minimum spanning tree approach</h3></article>
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<article><h3>No training is NP-complete without parkour</h3></article>
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</section>
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<section id="combat">
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<h2>Combat Training</h2>
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<article><h3>Dispatch multiple enemies with multithreaded tactics</h3></article>
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<article><h3>Goodbye world: 5 proven ways to knock out an opponent</h3></article>
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</section>
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<section id="weapons">
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<h2>Weapons Training</h2>
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<article><h3>Swords: the best tool to literally divide and conquer</h3></article>
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<article><h3>Breadth-first or depth-first in multi-weapon training?</h3></article>
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</section>
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</main>
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<div>© 2018 Camper Cat</div>
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</body>
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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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2020-02-11 17:06:41 +08:00
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```html
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2018-10-10 18:03:03 -04:00
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// solution required
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```
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2020-02-11 17:06:41 +08:00
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2018-10-10 18:03:03 -04:00
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</section>
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2020-02-11 17:06:41 +08:00
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