<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
#box div {
width: 100px;
height: 100px;
border: 1px solid black;
float: left;
text-align: center;
line-height: 100px;
}
</style>
</head>
<body>
<div id="box">
</div>
<script>
//生成100個div
var oBox = document.getElementById('box');
var str = '';
for (var i = 0; i < 100; i++) {
str += '<div>' + (i + 1) + '</div>';
}
oBox.innerHTML = str;
</script>
</body>
</html>
實現效果如下
