以下引用阮一峰网道
看下边的例子:
- function text(person) {
- person.age = 40
- person = {
- name: 'yyyyy',
- age: 30
- }
- return person
- }
- const p1 = {
- name: 'aaaaa',
- age: 25
- }
- const p2 = text(p1)
- console.log(p1);
- console.log(p2);
打印结果:
- {
- name: "aaaaa", age: 40
- }
- {
- name: "yyyyy", age: 30
- }
来源: http://www.bubuko.com/infodetail-3500340.html