Edge浏览器报错Expected identifier, st

在Edge浏览器中使用扩展运算符处理对象数据，会报错Expected identifier, string or number

let obj = {age:18}
let a = {name:1,...obj }
//报错Expected identifier, string or number

//可以使用Object.assign来处理数据
a = Object.assign({name:1},obj )