2020-12-20

    var obj = { // 定义要进行深复制的对象
        name: "张三",
        age: 14,
        tel: 110,
        info: {
            isSingle: true
        }
    }
	// 定义深复制的函数
    function deepClone(params) {
        var obj = {}
        if(!(params instanceof Object)) return

        for(let key in params) {
            if(params[key] instanceof Object) {
                obj[key] = deepClone(params[key])
            } else {
                obj[key] = params[key]
            }
        }
        return obj
    }
	// 验证结论
    var obj2 = deepClone(obj)
    obj2.name = '李四'
    obj2.info.isSingle = false
    console.log(obj, obj2)