[LeetCode] 203. Remove Linked List Elements

 1 /**
 2  * @param {ListNode} head
 3  * @param {number} val
 4  * @return {ListNode}
 5  */
 6 var removeElements = function(head, val) {
 7     if (head === null) return head;
 8     let dummy = new ListNode(0);
 9     dummy.next = head;
10     let cur = dummy;
11     while (cur.next != null) {
12         if (cur.next.val === val) {
13             cur.next = cur.next.next;
14         } else {
15             cur = cur.next;
16         }
17     }
18     return dummy.next;
19 };