124 lines
3.4 KiB
Markdown
124 lines
3.4 KiB
Markdown
---
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id: bad87fee1348bd9aed608826
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challengeType: 6
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forumTopicId: 18340
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title: 使用 jQuery 的 appendTo 方法移动元素
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---
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## Description
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<section id='description'>
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现在我们学习把标签从一个<code>div</code>移动到另一个<code>div</code>。
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jQuery 有一个<code>appendTo()</code>方法，可以选取 HTML 标签并将其添加到另一个标签里面。
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例如，如果要把<code>target4</code>从右框移到左框，可以设置如下：
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<code>$("#target4").appendTo("#left-well");</code>
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请把<code>target2</code>标签从<code>left-well</code>移动到<code>right-well</code>。
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>target2</code>标签应该不在<code>left-well</code>内。
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testString: assert($("#left-well").children("#target2").length === 0);
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- text: <code>target2</code>标签应该在<code>right-well</code>内。
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testString: assert($("#right-well").children("#target2").length > 0);
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- text: 仅用 jQuery 移动这些标签。
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testString: assert(!code.match(/class.*animated/g));
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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```html
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<script>
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$(document).ready(function() {
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$("#target1").css("color", "red");
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$("#target1").prop("disabled", true);
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$("#target4").remove();
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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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$("#target4").remove();
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$("#target2").appendTo("#right-well");
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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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