[JS] CroCoder / 코딩테스트 입문 / 이니셜 얻기

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문제

Map, Filter, Reduce - Code Exercises | CroCoder

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정답

const input = "George Raymond Richard Martin";
const arr = input.split(" ");

console.log(arr.map(x => x[0]).join(""));

const input = "George Raymond Richard Martin";
const arr = input.split(" ");
const answer = arr.map(x => x.slice(0, 1)).join("");

console.log(answer);

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