* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
3.2 KiB
3.2 KiB
id, title, challengeType, forumTopicId, required, dashedName
id | title | challengeType | forumTopicId | required | dashedName | |||
---|---|---|---|---|---|---|---|---|
bad87fee1348bd9aed908826 | 使用 jQuery 更改元素的 CSS | 6 | 16776 |
|
change-the-css-of-an-element-using-jquery |
--description--
我们也能用 jQuery 直接改变 HTML 标签的 CSS。
jQuery 有一个.css()
方法,其能改变标签的 CSS。
下面的代码效果是把颜色变蓝:
$("#target1").css("color", "blue");
这与通常的 CSS 声明略有不同,因为这个 CSS 属性和它的值在英文引号里,并且它们用逗号而不是冒号间隔开。
删除你的jQuery选择器,并留下空的document ready function
。
请选择target1
并将其颜色变为红色(red)。
--hints--
target1
标签应该有红色文本。
assert($('#target1').css('color') === 'rgb(255, 0, 0)');
仅用 jQuery 给标签添加类。
assert(!code.match(/class.*animated/g));
--seed--
--seed-contents--
<script>
$(document).ready(function() {
$("button").addClass("animated bounce");
$(".well").addClass("animated shake");
$("#target3").addClass("animated fadeOut");
$("button").removeClass("btn-default");
});
</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>
--solutions--
<script>
$(document).ready(function() {
$("button").addClass("animated bounce");
$(".well").addClass("animated shake");
$("#target3").addClass("animated fadeOut");
$("button").removeClass("btn-default");
$("#target1").css("color", "red");
});
</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>