3b7b64feb3
Co-authored-by: Zhicheng Chen <chenzhicheng@dayuwuxian.com> Co-authored-by: S1ngS1ng <liuxing0514@gmail.com>
118 lines
3.0 KiB
Markdown
118 lines
3.0 KiB
Markdown
---
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id: bad87fee1348bd9aed708826
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title: Remove an Element Using jQuery
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challengeType: 6
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forumTopicId: 18262
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localeTitle: 使用 jQuery 删除元素
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---
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## Description
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<section id='description'>
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现在学习用 jQuery 从页面移除 HTML 标签。
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jQuery 有一个<code>.remove()</code>方法，能完全移除 HTML 标签。
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请用<code>.remove()</code>方法从页面移除<code>target4</code>标签。
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</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: 用 jQuery 从页面中移除<code>target4</code>标签。
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testString: assert($("#target4").length === 0 && code.match(/\$\(["']#target4["']\).remove\(\)/g));
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- text: 仅用 jQuery 移除该标签。
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testString: assert(code.match(/id="target4/g) && !code.match(/<!--.*id="target4".*-->/g) && $("#right-well").length > 0);
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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```html
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<script>
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$(document).ready(function() {
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$("#target1").css("color", "red");
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$("#target1").prop("disabled", true);
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});
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</script>
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<!-- 请修改本行以上的代码 -->
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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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```html
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<script>
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$(document).ready(function() {
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$("#target1").css("color", "red");
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$("#target1").prop("disabled", true);
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$("#target4").remove();
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});
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</script>
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<!-- Only change code above this line. -->
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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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</section>
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