Update 650-2-keys-keyboard.js

Author: everthis

650-2-keys-keyboard.js

@@ -3,12 +3,12 @@
  * @return {number}
  */
 const minSteps = function(n) {
-  let s = 0;
-  for (let d = 2; d <= n; d++) {
-    while (n % d == 0) {
-      s += d;
-      n = Math.floor(n / d);
+  let res = 0
+  for (let i = 2; i <= n; i++) {
+    while (n % i === 0) {
+      res += i
+      n /= i
     }
   }
-  return s;
-};
+  return res
+}