JS two array objects for merging and de duplication

let arr=[
    {
    id:1,name:'AAAA'},
    {
    id:2,name:'BBBB'}
]
let arr1=[
    {
    id:1,name:'AAAA'},
    {
    id:3,name:'CCCC'}
]
let arrs=[...arr,...arr1];
// according to id duplicate removal 
let map=new Map();
for(let item of arrs){
    
    if(!map.has(item.id)){
    
        map.set(item.id,item)
    }
}
let newArr=[...map.values()];// hold map Take out all the values in and put them into the array