tracks/ecmascript/exercises/perfect-numbers/example.js in trackler-2.1.0.25 vs tracks/ecmascript/exercises/perfect-numbers/example.js in trackler-2.1.0.26

@@ -12,21 +12,21 @@
     let divs = new Array();
 
     // Accepts only natural numbers greater than 1.
     if (number <= 1) {
       return divs;
-  	}
+    }
 
     // 1 always divides everyone!
     divs.push(1);
 
     // Calculate the divisors up the the half of the number + 1
     for (i = 2; i <= number / 2; i++) {
 
       if (number % i === 0) {
         divs.push(i);
-  		}
+      }
     }
 
     return divs;
   }
 
@@ -36,11 +36,11 @@
    * then returns an error: Classification is only possible for natural numbers.
    * @returns {string} - string that contains the number classification (perfect, abundant or deficient).
    */
   classify(number) {
 
-    let i, sum, result;
+    let sum, result;
 
     // Check if the input is valid
     if (number <= 0) {
       throw new Error('Classification is only possible for natural numbers.');
     }
@@ -52,14 +52,12 @@
     sum = divsArray.reduce((sum, div) => sum += div, 0);
 
     // Check if the number is perfect.
     if (sum === number) {
       result = 'perfect';
-    }
-    else if (sum > number) {
+    } else if (sum > number) {
       result = 'abundant';
-    }
-    else {
+    } else {
       result = 'deficient';
     }
 
     return result;
   }