freeCodeCamp/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-jquery-to-modify-the-en...

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---
id: bad87fee1348bd9aecb08826
title: Use jQuery to Modify the Entire Page
required:
- link: 'https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.2.0/animate.css'
challengeType: 6
videoUrl: ''
localeTitle: 使用jQuery修改整个页面
---
## Description
<section id="description">我们玩完了jQuery游乐场。让我们把它撕下来 jQuery也可以定位<code>body</code>元素。以下是我们如何使整个身体淡出: <code>$(&quot;body&quot;).addClass(&quot;animated fadeOut&quot;);</code>但是,让我们做一些更具戏剧性的事情。将<code>animated</code>类和<code>hinge</code>添加到您的<code>body</code>元素中。 </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: 将<code>animated</code>类和<code>hinge</code>添加到您的<code>body</code>元素中。
testString: 'assert($("body").hasClass("animated") && $("body").hasClass("hinge"), "Add the classes <code>animated</code> and <code>hinge</code> to your <code>body</code> element.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='html-seed'>
```html
<script>
$(document).ready(function() {
$("#target1").css("color", "red");
$("#target1").prop("disabled", true);
$("#target4").remove();
$("#target2").appendTo("#right-well");
$("#target5").clone().appendTo("#left-well");
$("#target1").parent().css("background-color", "red");
$("#right-well").children().css("color", "orange");
$("#left-well").children().css("color", "green");
$(".target:nth-child(2)").addClass("animated bounce");
$(".target:even").addClass("animated shake");
});
</script>
<!-- Only change code above this line. -->
<div class="container-fluid">
<h3 class="text-primary text-center">jQuery Playground</h3>
<div class="row">
<div class="col-xs-6">
<h4>#left-well</h4>
<div class="well" id="left-well">
<button class="btn btn-default target" id="target1">#target1</button>
<button class="btn btn-default target" id="target2">#target2</button>
<button class="btn btn-default target" id="target3">#target3</button>
</div>
</div>
<div class="col-xs-6">
<h4>#right-well</h4>
<div class="well" id="right-well">
<button class="btn btn-default target" id="target4">#target4</button>
<button class="btn btn-default target" id="target5">#target5</button>
<button class="btn btn-default target" id="target6">#target6</button>
</div>
</div>
</div>
</div>
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>