86 lines
2.9 KiB
Markdown
86 lines
2.9 KiB
Markdown
---
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id: 587d7788367417b2b2512aa2
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title: Make Screen Reader Navigation Easier with the nav Landmark
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challengeType: 0
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videoUrl: ''
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localeTitle: 使用导航Landmark使屏幕阅读器导航更轻松
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---
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## Description
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<section id="description"> <code>nav</code>元素是另一个HTML5项目，具有嵌入的地标功能，便于屏幕阅读器导航。此标记用于包围页面中的主导航链接。如果页面底部有重复的站点链接，则没有必要标记带有<code>nav</code>标签的链接。使用<code>footer</code> （在下一个挑战中涵盖）就足够了。 </section>
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## Instructions
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<section id="instructions"> Camper Cat在他的训练页面顶部包含了导航链接，但是将它们包裹在一个<code>div</code> 。将<code>div</code>更改为<code>nav</code>标记以改善其页面上的可访问性。 </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: 您的代码应该有一个<code>nav</code>标记。
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testString: 'assert($("nav").length == 1, "Your code should have one <code>nav</code> tag.");'
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- text: 你的<code>nav</code>标签应该包裹<code>ul</code>及其列表项。
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testString: 'assert($("nav").children("ul").length == 1, "Your <code>nav</code> tags should wrap around the <code>ul</code> and its list items.");'
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- text: 您的代码不应包含任何<code>div</code>标记。
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testString: 'assert($("div").length == 0, "Your code should not have any <code>div</code> tags.");'
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- text: 确保您的<code>nav</code>元素具有结束标记。
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testString: 'assert(code.match(/<\/nav>/g) && code.match(/<\/nav>/g).length === code.match(/<nav>/g).length, "Make sure your <code>nav</code> element has a closing tag.");'
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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 with Camper Cat</h1>
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<div>
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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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</div>
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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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</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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```js
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// solution required
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```
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</section>
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