![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Correction status：qualified
Teacher's comments：
Collection
Collection
代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>0330作业</title>
<style type="text/css">
div:nth-child(1){
width: 800px;
height: 600px;
background-color: seagreen;
padding: 0;
margin: 0 auto;
overflow: hidden;
border: 3px solid skyblue;
box-shadow: 2px 2px 2px #ff8000;
}
h2{
text-align: center;
margin: 0 ;
}
ul{
line-height: 2em;
list-style-type: none;
}
div:nth-child(2){
width: 94%;
height: 81%;
background-color: lightgray;
margin: auto;
}
table{
padding: 0;
margin: 0 auto;
width: 100%;
height: 30px;
/*border: 2px solid #ff8000;*/
}
tr {
}
td{
width: 400px;
height: 100%;
/*border: 2px solid #ff8000;*/
margin: auto;
}
textarea{
resize: none;
background-color: lightyellow;
}
button{
background-color: seagreen;
color: white;
cursor:pointer;
width: 100px;
height: 65px;
border: none;
}
button:hover{
size: 110%;
background-color: #ff8000;
}
</style>
</head>
<body>
<div>
<h2>BOOM way旗航店客服</h2>
<div contenteditable="true">
<ul>
<li></li>
</ul>
</div>
<table>
<tr>
<td><textarea cols="105" rows="4" name="text"></textarea></td>
<td><button>发送</button></td>
</tr>
</table>
</div>
<script type="text/javascript">
var btn = document.getElementsByTagName('button')[0]
var text = document.getElementsByName('text')[0]
var list = document.getElementsByTagName('ul')[0]
var sum = 0
btn.onclick = function () {
if (text.value.length == 0) {
alert('写点东西吧，傻吊')
return false
}
var love = text.value
text.value = ''
var li = document.createElement('li')
li.innerHTML = love
var pic = '<img src="images/1.jpg" width="50" style="border-radius:30%">'
li.innerHTML = pic+love
list.appendChild(li)
sum += 1
setTimeout(function(){
var info = ['亲，你好','在的，看中那样东西了?','这边已经帮你申请了，','除了钱其他都好说','不要再催了']
var temp = info[Math.floor(Math.random()*5)]
var reply = document.createElement('li')
var kefuPic = '<img src="images/2.jpg" width="50" style="border-radius:30%;">'
reply.innerHTML = kefuPic + '<span style="color:red">'+temp+'</span>'
list.appendChild(reply)
sum += 1
},1000)
if (sum > 10) {
list.innerHTML = ''
sum = 0
}
}
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
效果图：
![BV8]K`G(6AR)5(8[U~$Z2ZH.png](https://img.php.cn//upload/image/233/616/170/1523349334875359.png "1523349334875359.png")
