Update 27. Remove Element.js

Tahirc1 · web-flow · commit be7108e9d559 · 2024-10-28T13:36:24.000+05:30
add explanation to problem 27
diff --git a/21-30/27. Remove Element.js b/21-30/27. Remove Element.js
@@ -1,10 +1,15 @@
 var removeElement = function(nums, val) {
+    // we have to return number of elements not equal to val in nums
+    // while removing all occurenece of val in place
     let k = 0 
+    // run a for loop over nums
     for(let  i = 0; i < nums.length  ;i++){
+        // when nums[i] is not equal to val assign nums[k] with nums[i]
+        // k is position(and counter) for value which are not equal to k
         if(!(nums[i] == val)){
             nums[k] = nums[i] 
             k++
         }
     }
     return k
-};
+};
