JS两个数组对象获取相同和不同的元素对象（ES6）转载

转载自

let arr1 = 
[
  { id:'1',name:'zhangsan' }, 
  { id:'2', name:'lisi' }
]
let arr2 = 
[
  { id:'1',name:'zhangsan', age:'15'}, 
  { id:'2', name:'lisi', age:'16' },
  { id:'3', name:'ani', age:'17'}
]
 
//取不同的元素（ES6的方法）
let res = arr2.filter(item => !arr1.some(ele=> ele.id === item.id))
 
console.log('res', res)
 
//取相同的元素（ES6的方法）
let res2 = arr2.filter(item => arr1.some(ele=> ele.id === item.id))
 
console.log('res2', res2)