ДФ
Size: a a a
ДФ
F
F
nn
nn
nn
F
function uniqBy(arr, field) {
let uniqArr = [];
let hash = {};
arr.forEach((item) => {
let value = item[field];
if (!hash[value]) {
uniqArr.push(item);
hash[value] = true;
}
});
return uniqArr;
}
К
В
F
К
nn
nn
F
ДФ
nn
nn
ДФ
ДФ
nn