要求
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
.box {
display: flex;
width: 700px;
height: 300px;
border-left: 1px solid pink;
border-bottom: 1px solid pink;
margin: 50px auto;
justify-content: space-around;
align-items: flex-end;
text-align: center;
}
.box>div {
display: flex;
width: 50px;
background-color: pink;
flex-direction: column;
justify-content: space-between;
}
.box div span {
margin-top: -20px;
}
.box div h4 {
margin-bottom: -35px;
width: 70px;
margin-left: -10px;
}
</style>
</head>
<body>
<script>
//四次弹窗效果
let arr = [] //声明一个空数组
for (let i = 1; i <= 4; i++) {
let num = prompt(`请输入${i}季度的数据`)
arr.push(num)
}
//盒子开头
document.write(` <div class="box">`)
//盒子中间，利用循环打印出多个盒子
for (let i = 0; i < arr.length; i++) {
//输入的数组季度数据，转换成柱状图的高
document.write(`
<div style="height: ${arr[i]}px;">
<span>${arr[i]}</span>
<h4>第${i + 1}季度</h4>
</div>`)
}
//盒子结尾
document.write(` </div>`)
</script>
</body>
</html>输入：123 333 124 144时的结果为
