Adjust spacing

Author: Ykhan799

javascript/0219-contains-duplicate-ii.js

@@ -11,14 +11,14 @@
 var containsNearbyDuplicate = function(nums, k) {
     const window = new Set();
     let L = 0;
-    for(let R = 0; R < nums.length; R++){
-        if(!window.has(nums[R])){
+    for (let R = 0; R < nums.length; R++) {
+        if (!window.has(nums[R])) {
             window.add(nums[R]);
         } else {
             return true
         }
 
-        if(R - L + 1 > k){
+        if (R - L + 1 > k) {
             window.delete(nums[L])
             L++;
         }