Update binarySearch.md

snippets/binarySearch.md

@@ -14,16 +14,13 @@ Finds the index of a given element in a sorted array using the binary search alg
 const binarySearch = (arr, item) => {
   let l = 0,
     r = arr.length - 1;
-
   while (l <= r) {
     const mid = Math.floor((l + r) / 2);
     const guess = arr[mid];
     if (guess === item) return mid;
-
     if (guess > item) r = mid - 1;
     else l = mid + 1;
   }
-
   return -1;
 };
 ```