Add function to calculate sum of multiples of 3 & 5

seunzone · seunzone · commit 748fe65ee29b · 2017-12-09T11:25:16.000+01:00
diff --git a/sum_multiples_of_3_and_5.js b/sum_multiples_of_3_and_5.js
@@ -0,0 +1,15 @@
+// If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6
+// and 9. The sum of these multiples is 23.
+// write a program that takes in an integer and prints sum of all the multiples of 3 or 5
+// below that integer.
+
+const number = (input) => {
+let num = input;
+let sum = 0;
+for (let i = 0; i < num; i++) {
+  if (i % 3 === 0 || i % 5 === 0) {
+    sum += i;
+  } 
+} return sum;
+}
+console.log(number(10));
