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---
id: bad87fee1348bd9aedc08845
title: 將字體圖標添加到所有的按鈕上
challengeType: 0
forumTopicId: 16637
required:
-
link: 'https://use.fontawesome.com/releases/v5.8.1/css/all.css'
raw: true
dashedName: add-font-awesome-icons-to-all-of-our-buttons
---
# --description--
Font Awesome 是一個非常便利的圖標庫。 這些圖標可以是網絡字體,也可以是一張矢量圖。 這些圖標就和字體一樣, 不僅能通過像素單位指定它們的大小,它們也同樣會繼承父級 HTML 元素的字號。
# --instructions--
爲 info 按鈕添加 Font Awesome `info-circle` 圖標, delete 按鈕添加 `trash` 圖標。
**注意:** 下述要求中的 `i` 元素也可以用 `span` 元素代替。
# --hints--
應在 `info` 按鈕元素中添加一個 `<i class="fas fa-info-circle"></i>` 。
```js
assert(
$('.btn-info > i').is('.fas.fa-info-circle') ||
$('.btn-info > span').is('.fas.fa-info-circle')
);
```
應在 `delete` 按鈕元素中添加一個 `<i class="fas fa-trash"></i>` 。
```js
assert(
$('.btn-danger > i').is('.fas.fa-trash') ||
$('.btn-danger > span').is('.fas.fa-trash')
);
```
每個 `i` 元素都應有一個閉合標籤,`< i class = "fas fa-thumbs-up" ></ i > ` 在 `like` 標籤元素中。
```js
assert(
code.match(/< \/i > |< \/span / g ) &&
code.match(/< \/i |< \/span > /g).length > 2 &&
($('.btn-primary > i').is('.fas.fa-thumbs-up') ||
$('.btn-primary > span').is('.fas.fa-thumbs-up'))
);
```
# --seed--
## --seed-contents--
```html
< link href = "https://fonts.googleapis.com/css?family=Lobster" rel = "stylesheet" type = "text/css" >
< style >
h2 {
font-family: Lobster, Monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
< / style >
< div class = "container-fluid" >
< div class = "row" >
< div class = "col-xs-8" >
< h2 class = "text-primary text-center" > CatPhotoApp< / h2 >
< / div >
< div class = "col-xs-4" >
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< a href = "#" > < img class = "img-responsive thick-green-border" src = "https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt = "A cute orange cat lying on its back." > < / a >
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< / div >
< / div >
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< img src = "https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg" class = "img-responsive" alt = "Three kittens running towards the camera." >
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< div class = "row" >
< div class = "col-xs-4" >
< button class = "btn btn-block btn-primary" > < i class = "fas fa-thumbs-up" > < / i > Like< / button >
< / div >
< div class = "col-xs-4" >
< button class = "btn btn-block btn-info" > Info< / button >
< / div >
< div class = "col-xs-4" >
< button class = "btn btn-block btn-danger" > Delete< / button >
< / div >
< / div >
< p > Things cats < span class = "text-danger" > love:< / span > < / 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 >
< form action = "https://freecatphotoapp.com/submit-cat-photo" >
< label > < input type = "radio" name = "indoor-outdoor" > Indoor< / label >
< label > < input type = "radio" name = "indoor-outdoor" > Outdoor< / label >
< label > < input type = "checkbox" name = "personality" > Loving< / label >
< label > < input type = "checkbox" name = "personality" > Lazy< / label >
< label > < input type = "checkbox" name = "personality" > Crazy< / label >
< input type = "text" placeholder = "cat photo URL" required >
< button type = "submit" > Submit< / button >
< / form >
< / div >
```
# --solutions--
```html
< link href = "https://fonts.googleapis.com/css?family=Lobster" rel = "stylesheet" type = "text/css" >
< style >
h2 {
font-family: Lobster, Monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
< / style >
< div class = "container-fluid" >
< div class = "row" >
< div class = "col-xs-8" >
< h2 class = "text-primary text-center" > CatPhotoApp< / h2 >
< / div >
< div class = "col-xs-4" >
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< a href = "#" > < img class = "img-responsive thick-green-border" src = "https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt = "A cute orange cat lying on its back." > < / a >
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< / div >
< / div >
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< img src = "https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg" class = "img-responsive" alt = "Three kittens running towards the camera." >
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< div class = "row" >
< div class = "col-xs-4" >
< button class = "btn btn-block btn-primary" > < i class = "fas fa-thumbs-up" > < / i > Like< / button >
< / div >
< div class = "col-xs-4" >
< button class = "btn btn-block btn-info" > < i class = "fas fa-info-circle" > < / i > Info< / button >
< / div >
< div class = "col-xs-4" >
< button class = "btn btn-block btn-danger" > < i class = "fas fa-trash" > < / i > Delete< / button >
< / div >
< / div >
< p > Things cats < span class = "text-danger" > love:< / span > < / 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 >
< form action = "https://freecatphotoapp.com/submit-cat-photo" >
< label > < input type = "radio" name = "indoor-outdoor" > Indoor< / label >
< label > < input type = "radio" name = "indoor-outdoor" > Outdoor< / label >
< label > < input type = "checkbox" name = "personality" > Loving< / label >
< label > < input type = "checkbox" name = "personality" > Lazy< / label >
< label > < input type = "checkbox" name = "personality" > Crazy< / label >
< input type = "text" placeholder = "cat photo URL" required >
< button type = "submit" > Submit< / button >
< / form >
< / div >
```