Create 203-remove-linked-list-elements.js

aadil42 · web-flow · commit 163f2e6689bd · 2022-11-08T16:40:28.000+05:30
Solved remove linked linked list in JS.
diff --git a/javascript/203-remove-linked-list-elements.js b/javascript/203-remove-linked-list-elements.js
@@ -0,0 +1,27 @@
+// problem link https://leetcode.com/problems/remove-linked-list-elements/
+// time complexity  O(n).
+
+var removeElements = function(head, val) {
+    // let currunt = head;
+    let pre = new ListNode(null, head);
+    let dummy = pre;
+    while(head) {
+        if(head.val == val) {
+            while(head && head.val == val) {
+                head = head.next;
+            }            
+            pre.next = head;
+            pre = head;
+            if(head) {
+            temp = head;    
+            head = head.next;
+            temp = null;
+            }
+            continue;
+        }
+        pre = pre.next;
+        head = head.next;
+    }
+    
+    return dummy.next;
+};
