3.8 KiB
3.8 KiB
id | title | challengeType | guideUrl | videoUrl | localeTitle |
---|---|---|---|---|---|
bad87fee1348bd9bedf08813 | Add Borders Around Your Elements | 0 | https://chinese.freecodecamp.org/guide/certificates/add-borders-around-your-elements | 添加元素周围的边框 |
Description
style
, color
和width
等属性。例如,如果我们想要在HTML元素周围创建一个红色的5像素边框,我们可以使用此类: <风格>
.thin-red-border {
边框颜色:红色;
border-width:5px;
边框式:坚固;
}
</样式>
Instructions
thick-green-border
。这个类应该在HTML元素周围添加一个10px的实心绿色边框。将课程应用于您的猫照片。请记住,您可以使用其class
属性将多个类应用于元素,方法是使用空格分隔每个类名。例如: <img class="class1 class2">
Tests
tests:
- text: 您的<code>img</code>元素应该具有<code>smaller-image</code>类。
testString: 'assert($("img").hasClass("smaller-image"), "Your <code>img</code> element should have the class <code>smaller-image</code>.");'
- text: 你的<code>img</code>元素应该有类<code>thick-green-border</code> 。
testString: 'assert($("img").hasClass("thick-green-border"), "Your <code>img</code> element should have the class <code>thick-green-border</code>.");'
- text: 为图像提供<code>10px</code>的边框宽度。
testString: 'assert($("img").hasClass("thick-green-border") && parseInt($("img").css("border-top-width"), 10) >= 8 && parseInt($("img").css("border-top-width"), 10) <= 12, "Give your image a border width of <code>10px</code>.");'
- text: 为您的图像提供<code>solid</code>的边框样式。
testString: 'assert($("img").css("border-right-style") === "solid", "Give your image a border style of <code>solid</code>.");'
- text: <code>img</code>元素周围的边框应为绿色。
testString: 'assert($("img").css("border-left-color") === "rgb(0, 128, 0)", "The border around your <code>img</code> element should be green.");'
Challenge Seed
<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
.red-text {
color: red;
}
h2 {
font-family: Lobster, monospace;
}
p {
font-size: 16px;
font-family: monospace;
}
.smaller-image {
width: 100px;
}
</style>
<h2 class="red-text">CatPhotoApp</h2>
<main>
<p class="red-text">Click here to view more <a href="#">cat photos</a>.</p>
<a href="#"><img class="smaller-image" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
<div>
<p>Things cats love:</p>
<ul>
<li>cat nip</li>
<li>laser pointers</li>
<li>lasagna</li>
</ul>
<p>Top 3 things cats hate:</p>
<ol>
<li>flea treatment</li>
<li>thunder</li>
<li>other cats</li>
</ol>
</div>
<form action="/submit-cat-photo">
<label><input type="radio" name="indoor-outdoor" checked> Indoor</label>
<label><input type="radio" name="indoor-outdoor"> Outdoor</label><br>
<label><input type="checkbox" name="personality" checked> Loving</label>
<label><input type="checkbox" name="personality"> Lazy</label>
<label><input type="checkbox" name="personality"> Energetic</label><br>
<input type="text" placeholder="cat photo URL" required>
<button type="submit">Submit</button>
</form>
</main>
Solution
// solution required