Update 0041-first-missing-positive.js

I have fixed inconsistent spacing.

Author: aadil42

javascript/0041-first-missing-positive.js

@@ -1,47 +1,46 @@
- /**
-   * Time O(n) | Space O(1)
+/**
+ * https://leetcode.com/problems/first-missing-positive/
+ * Time O(n) | Space O(1)
  * @param {number[]} nums
  * @return {number}
  */
 var firstMissingPositive = function(nums) {
     //-1 1 3 4
-    const swap = (a,b) => {
+    const swap = (a, b) => {
         const temp = nums[a];
         nums[a] = nums[b];
         nums[b] = temp;
     }
+ 
     // swap positions
-    for(let i = 0; i < nums.length; i++) {
+    for (let i = 0; i < nums.length; i++) {
         const el = nums[i];
         const chair = el - 1;
-        if(el >= 1 &&  el <= nums.length + 1 && nums[chair] !== el) {
-             swap(chair, i);
-                i--; // this decrement is important // check this input [3,4,-1,1]
+        if (el >= 1 && el <= nums.length + 1 && nums[chair] !== el) {
+            swap(chair, i);
+            i--; // this decrement is important // check this input [3,4,-1,1]
         }
     }
 
-
-    for(let i = 0; i < nums.length; i++) {
-        if(nums[i] !== i+1) return i+1;
+    for (let i = 0; i < nums.length; i++) {
+        if (nums[i] !== i + 1) return i + 1;
     } 
 
     return nums.length + 1;
 };
 
 /**
- * https://leetcode.com/problems/first-missing-positive/
  * Time O(n) | Space O(n)
  * @param {number[]} nums
  * @return {number}
  */
 var firstMissingPositive1 = function(nums) {
-
     const numberSet = new Set(nums);
 
-      let i = 1;
-      while(numberSet.has(i)) {
-          i++;
-      }
-  
-      return i;
-  };
+    let i = 1;
+    while (numberSet.has(i)) {
+        i++;
+    }
+ 
+    return i;
+};