前端学习案例-ES5深拷贝案例

<!--
* @Author: your name
* @Date: 2022-04-01 17:10:07
* @LastEditTime: 2022-04-01 17:11:35
* @LastEditors: your name
* @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
* @FilePath: \geyao\geyao\深拷贝实现方式ES5220401.html
-->
<!DOCTYPE html>
<html lang="en">
<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>深拷贝ES5</title>
</head>
<body>
<script>
//深拷贝ES5方式
function deepClone(origin, target) {
var tar = target || {};
var toStr = Object.prototype.toString;
var arrType = '[object Array]';
for (var k in origin) {
if (origin.hasOwnProperty(k)) {
if (typeof origin[k] === 'object' && origin[k] !== null) {
tar[k] = toStr.call(origin[k]) === arrType ? [] : {};
deepClone(origin[k], tar[k]);
} else {
tar[k] = origin[k];
}
}
}
return tar;
}
</script>
</body>
</html>

posted @   前端导师歌谣  阅读(17)  评论(0编辑  收藏  举报
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