* fix(i18n): update Chinese translation of json apis and ajax * address comments Co-authored-by: Zhicheng Chen <chenzhicheng@dayuwuxian.com> Co-authored-by: S1ngS1ng <liuxing0514@gmail.com>
3.8 KiB
3.8 KiB
id, title, challengeType, forumTopicId, localeTitle
id | title | challengeType | forumTopicId | localeTitle |
---|---|---|---|---|
587d7fae367417b2b2512be6 | Render Images from Data Sources | 6 | 18265 | 渲染数据源的图像 |
Description
imageLink
键,其值为猫图像的 URL。
当你遍历这些对象的时候,你可以使用imageLink
属性在img
元素中显示此图像。
这是执行此操作的代码:
html += "<img src = '" + val.imageLink + "' " + "alt='" + val.altText + "'>";
Instructions
img
标签中使用imageLink
和altText
属性。
Tests
tests:
- text: 你应该使用<code>imageLink</code>属性来显示图像。
testString: assert(code.match(/val\.imageLink/g));
- text: 应该用 <code>altText</code> 做为图片的 alt 属性。
testString: assert(code.match(/val\.altText/g));
Challenge Seed
<script>
document.addEventListener('DOMContentLoaded', function(){
document.getElementById('getMessage').onclick = function(){
const req=new XMLHttpRequest();
req.open("GET",'/json/cats.json',true);
req.send();
req.onload = function(){
const json = JSON.parse(req.responseText);
let html = "";
json.forEach(function(val) {
html += "<div class = 'cat'>";
// 在这行下面添加代码
// 在这行上面添加代码
html += "</div><br>";
});
document.getElementsByClassName('message')[0].innerHTML=html;
};
};
});
</script>
<style>
body {
text-align: center;
font-family: "Helvetica", sans-serif;
}
h1 {
font-size: 2em;
font-weight: bold;
}
.box {
border-radius: 5px;
background-color: #eee;
padding: 20px 5px;
}
button {
color: white;
background-color: #4791d0;
border-radius: 5px;
border: 1px solid #4791d0;
padding: 5px 10px 8px 10px;
}
button:hover {
background-color: #0F5897;
border: 1px solid #0F5897;
}
</style>
<h1>Cat Photo Finder</h1>
<p class="message box">
The message will go here
</p>
<p>
<button id="getMessage">
Get Message
</button>
</p>
Solution
<script>
document.addEventListener('DOMContentLoaded', function(){
document.getElementById('getMessage').onclick = function(){
const req = new XMLHttpRequest();
req.open("GET",'/json/cats.json',true);
req.send();
req.onload = function(){
const json = JSON.parse(req.responseText);
let html = "";
json.forEach(function(val) {
html += "<div class = 'cat'>";
// Add your code below this line
html += "<img src = '" + val.imageLink + "' " + "alt='" + val.altText + "'>";
// Add your code above this line
html += "</div><br>";
});
document.getElementsByClassName('message')[0].innerHTML = html;
};
};
});
</script>
<style>
body {
text-align: center;
font-family: "Helvetica", sans-serif;
}
h1 {
font-size: 2em;
font-weight: bold;
}
.box {
border-radius: 5px;
background-color: #eee;
padding: 20px 5px;
}
button {
color: white;
background-color: #4791d0;
border-radius: 5px;
border: 1px solid #4791d0;
padding: 5px 10px 8px 10px;
}
button:hover {
background-color: #0F5897;
border: 1px solid #0F5897;
}
</style>
<h1>Cat Photo Finder</h1>
<p class="message">
The message will go here
</p>
<p>
<button id="getMessage">
Get Message
</button>
</p>