Update 220425 내적.js

Author: jaewon1676

level-1/내적.js

@@ -27,3 +27,12 @@ function solution(a, b) {
 
  return answer;
 }
+
+//정답 4 - jaewon1676
+function solution(a, b) {
+ let answer = 0;
+ for (let i=0; i<a.length; i++){
+ answer += (a[i] * b[i]) // a[i]와 b[i]를 곱한다.
+ }
+ return answer;
+}