js如何追加新的数组

Question

比如我有两个数组
let a=[{name:'1'}]
let b=[{avg:'2'}]

如何变成

let a=[{name:'1'，avg:'2'}]

Answer 1

代码如下：

let a = [{name: '1'}];
let b = [{avg: '2'}];

let mergedObject = [Object.assign({}, ...a, ...b)];
console.log(mergedObject);