code2021-l
Version:
前端自定义工具
27 lines (26 loc) • 815 B
HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>浅克隆/浅复制/浅拷贝</title>
</head>
<body>
<!--
实现浅拷贝
方法一: 利用ES6语法
方法二: 利用ES5语法: for...in
-->
<script src="../dist/190719-utils.js"></script>
<script>
const obj1 = { x: 'abc', y: {m: 1} } // {x: 'abc', y: }
const obj2 = aUtils.clone1(obj1)
// const obj2 = aUtils.clone2(obj1)
console.log(obj2, obj1===obj2, obj1.y===obj2.y) // false true
const arr1 = ['abc', {m: 1}]
const arr2 = aUtils.clone1(arr1)
// const arr2 = aUtils.clone2(arr1)
console.log(arr2, arr1===arr2, arr1[1]===arr2[1]) // false true
</script>
</body>
</html>