중복된 숫자 갯수 / 기초

Author: JooKangsan

JooKangSan/[week1]Array/ Number_of_duplicate_numbers.js

@@ -0,0 +1,13 @@
+function solution(array, n) {
+  var answer = 0;
+  for(let i=0 ; i<array.length; i++) {
+  if(n == array[i]){
+           answer += 1;
+  }
+  }
+  return answer;
+}
+
+function solution(array, n) {
+  return array.filter(element => element === n).length;
+}