const data = {a:1,b:2,c:3,d:4,e:5,f:6,g:7}
delete data.a
Reflect.deleteProperty(data, "b");
delete data.c
Reflect.deleteProperty(data, "d");
2、解构
const data = {a:1,b:2,c:3,d:4,e:5,f:6,g:7}
const {a,b,c,d,...rest} = data
rest 即为我们需要的对象
原文：https://www.cnblogs.com/liuyueji/p/12574550.html