2.4 KiB
2.4 KiB
id | title | challengeType | videoUrl | localeTitle |
---|---|---|---|---|
587d7fad367417b2b2512be2 | Change Text with click Events | 6 | 单击“事件”更改文本 |
Description
message
更改元素的文本,使其message
“此消息是”。这可以通过在click事件中添加以下代码来实现: document.getElementsByClassName('message')[0].textContent="Here is the message";
Instructions
onclick
事件处理程序中添加代码,以更改message
元素内的文本,说“这是消息”。 Tests
tests:
- text: 您的代码应使用<code>document.getElementsByClassName</code>方法选择具有类<code>message</code>的元素,并将其<code>textContent</code>设置为给定的字符串。
testString: 'assert(code.match(/document\.getElementsByClassName\(\s*?("|")message\1\s*?\)\[0\]\.textContent\s*?=\s*?("|")Here is the message\2/g), "Your code should use the <code>document.getElementsByClassName</code> method to select the element with class <code>message</code> and set its <code>textContent</code> to the given string.");'
Challenge Seed
<script>
document.addEventListener('DOMContentLoaded',function(){
document.getElementById('getMessage').onclick=function(){
// Add your code below this line
// Add your code above this line
}
});
</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
// solution required