// :
let proList = [
{id:"11111111"},
{id:"22222222"},
{id:"22222222"},
{id:"22222222"},
{id:"33333333"},
{id:"11111111"},
{id:"11111111"},
{id:"33333333"},
{id:"11111111"},
{id:"11111111"},
];
// :
1mun:id
2
let proList = [
{id:"11111111",mun:""},
{id:"22222222",mun:""},
{id:"33333333",mun:""},
];
let proList = [
{id:"11111111"},
{id:"22222222"},
{id:"22222222"},
{id:"22222222"},
{id:"33333333"},
{id:"11111111"},
{id:"11111111"},
{id:"33333333"},
{id:"11111111"},
{id:"11111111"}
];
let results = (function(arr){
let mun = 0;
let len = arr.length;
for (let i = 0; i < len; iPP) {
for (let j = 0; j < len; j PP) {
if(arr[i].id === arr[j].id) {
munPP;
}
}
arr[i].mun = mun;
mun = 0;
}
return (function(songs){
let result = {};
let finalResult=[];
for(let i=0;i<songs.length;iPP){
result[songs[i].id]=songs[i];
}
for(item in result){
finalResult.push(result[item]);
}
return finalResult;
}(arr));
}(proList));
console.log(results)
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