freeCodeCamp/remove-classes-from-an-element-with-jquery.chinese.md at 32a443d1c9a9cd3e3409bf370bec06b83df2aadc

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Kristofer Koishigawa b3213fc892 fix(i18n): chinese test suite (#38220 )

* fix: Chinese test suite

Add localeTiltes, descriptions, and adjust test text and testStrings to get the automated test suite working.

* fix: ran script, updated testStrings and solutions

2020-03-03 18:49:47 +05:30

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id, title, required, challengeType, videoUrl, localeTitle

title

required

challengeType

videoUrl

localeTitle

bad87fee1348bd9aed918626

Remove Classes from an Element with jQuery

link
https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.2.0/animate.css

使用jQuery从元素中删除类

Description

以同样的方式，你可以添加类与jQuery的元素addClass()函数，你可以用jQuery的删除它们removeClass()函数。以下是为特定按钮执行此操作的方法： $("#target2").removeClass("btn-default");让我们从所有button元素中删除btn-default类。

Instructions

Tests

tests:
  - text: 从所有<code>button</code>元素中删除<code>btn-default</code>类。
    testString: assert($(".btn-default").length === 0);
  - text: 仅使用jQuery从元素中删除此类。
    testString: assert(code.match(/btn btn-default/g));
  - text: 只删除<code>btn-default</code>类。
    testString: assert(code.match(/\.[\v\s]*removeClass[\s\v]*\([\s\v]*('|")\s*btn-default\s*('|")[\s\v]*\)/gm));

Challenge Seed

<script>
  $(document).ready(function() {
    $("button").addClass("animated bounce");
    $(".well").addClass("animated shake");
    $("#target3").addClass("animated fadeOut");

  });
</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>

Solution

// solution required

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