Added Comments to 05_sumAll solution

01_helloWorld/helloWorld.js

@@ -1,5 +1,5 @@
 const helloWorld = function() {
-  return ''
+    return ''
 };
 
 module.exports = helloWorld;

05_sumAll/solution/sumAll-solution.js

@@ -1,6 +1,13 @@
 const sumAll = function (min, max) {
+  // The Line of code below returns "ERROR" which is a string if min and max aren't numbers
   if (!Number.isInteger(min) || !Number.isInteger(max)) return "ERROR";
+  // This line of code also returns "ERROR" is min and max are less than 0
   if (min < 0 || max < 0) return "ERROR";
+  /* 
+    The block of code below checks if min is greater than max
+    And if that is true, a new variable called 'temp' is created
+    The value of 'temp' will be equal to min and max will be equal to temp
+  */
   if (min > max) {
     const temp = min;
     min = max;
@@ -12,6 +19,10 @@ const sumAll = function (min, max) {
   // if (min > max) [min, max] = [max, min];
   
   let sum = 0;
+  /* We're running a for loop below which
+    Initializes the value of i to be that of min and we're checking if i is less than or equal to max
+    And if those conditions are true, we'll be adding i to value of sum
+   */
   for (let i = min; i <= max; i++) {
     sum += i;
   }