const removeDuplicates = (arr) => [...new Set(arr)];
const friendList = ["Jeff", "Jane", "Jane", "Rob"]; removeDuplicates(friendList); // ['Jeff', 'Jane', 'Rob']
배열 중복요소 제거
설명
const removeDuplicates = (arr) => [...new Set(arr)];Tags
util function
const removeDuplicates = (arr) => [...new Set(arr)];const removeDuplicates = (arr) => [...new Set(arr)];
const friendList = ["Jeff", "Jane", "Jane", "Rob"]; removeDuplicates(friendList); // ['Jeff', 'Jane', 'Rob']