<!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>
div {
width: 300px;
height: 200px;
box-shadow: 0 0 5px lightblue;
font-size: 24px;
}
</style>
</head>
<body>
<div>this is div</div>
<script>
var div = document.querySelector('div');
// console.log(div);
// 封装函数
function getColor() {
//#号
var str = '#';
// 0-e的数组
var arr = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'];
// 循环6次
for (var i = 0; i < 6; i++) {
// 随机这16位中的数字字母
var num = parseInt(Math.random() * 16);
// 把每一项添加给str
arr[num];
str += arr[num];
}
return str;
}
// console.log(getColor());
// 文档注册点击事件， 点击随机div颜色
document.onclick = function () {
div.style.backgroundColor = getColor();
div.style.color = getColor();
}
</script>
</body>
</html>
文章地址 https://www.cnblogs.com/sandraryan/