181855
Link
https://school.programmers.co.kr/learn/courses/30/lessons/181855 (opens in a new tab)
Answer
JavaScript
function solution(strArr) {
const counter = new Map();
for (const str of strArr) {
counter.set(str.length, (counter.get(str.length) || 0) + 1);
}
return Math.max(...counter.values());
}