js深拷贝示例

var oldObj &＃61; {id: 1,name: &＃39;电脑&＃39;,brand: [{id: 11,name: &＃39;惠普&＃39;,price: 5600},{id: 12,name: &＃39;苹果&＃39;,price: 9000}],}// 深层拷贝函数function deepCopy(newObj, oldObj) {for(var k in oldObj) {if(oldObj[k] instanceof Array){// 拷贝数组newObj[k] &＃61; []deepCopy(newObj[k], oldObj[k])}else if(oldObj[k] instanceof Object) {// 拷贝对象newObj[k] &＃61; {}deepCopy(newObj[k], oldObj[k])}else{// 拷贝简单数据类型newObj[k] &＃61; oldObj[k]}}}var newObj &＃61; {}deepCopy(newObj, oldObj)