对象赋值，对象拷贝

方法一&＃xff1a;

let obj &＃61; {"name": "小理有趣","city": "北京","list": [{"course": "语文"},{"course": "数学"}]}
let newObjA &＃61; obj; // 未拷贝的
let newObjB &＃61; _.cloneDeep(obj); // 拷贝的 // _.clone(obj) 是浅拷贝obj.list[0].course &＃61; "戏剧表演";console.log(obj); console.log(newObjA);console.log(newObjB);

打印输出如图&＃xff1a;

方法二&＃xff1a;

let obj &＃61; {"name": "小理有趣","city": "北京","list": [{"course": "语文"},{"course": "数学"}]}
let copyObj &＃61; JSON.parse(JSON.stringify(obj));
obj.list[0].course &＃61; "戏剧表演";console.log(obj);console.log(copyObj);

打印输出&＃xff1a;