var obj = {            name: "abc",            age: 123,            card: ['visa', 'master'],            wife: {                name: 'bcd',                son: {                    name: 'aaa'                }            }        }        var obj1 = {        }        //深度拷贝        function deepClone(origin, target) {            var target = target || {},                toStr = Object.prototype.toString,                arrStr = "[object Array]";            for (var prop in origin) {                if (origin.hasOwnProperty(prop)) {                    if (origin[prop] !== "null" && typeof (origin[prop]) == 'object') {                        // if (toStr.call(origin[prop]) == arrStr) {
                            //     target[prop] = [];                        // } else {
                            //     target[prop] = {};                        // }                        target[prop] = toStr.call(origin[prop]) == arrStr ? [] : {};                        deepClone(origin[prop], target[prop]);                    } else {                        target[prop] = origin[prop];                    }                }            }            return target;        }        deepClone(obj, obj1);