Merge pull request neetcode-gh#1418 from imevanc/Create-83-Remove-Duplicates-From-Sorted-List

Create: 83-Remove-Duplicates-From-Sorted-List.js

Author: Ahmad-A0

javascript/83-Remove-Duplicates-From-Sorted-List.js

@@ -0,0 +1,23 @@
+/**
+ * https://leetcode.com/problems/remove-duplicates-from-sorted-list/
+ * Definition for singly-linked list.
+ * function ListNode(val, next) {
+ *     this.val = (val===undefined ? 0 : val)
+ *     this.next = (next===undefined ? null : next)
+ * }
+ */
+/**
+ * @param {ListNode} head
+ * @return {ListNode}
+ */
+var deleteDuplicates = function (head) {
+    let cur = head;
+    while (cur != null && cur.next != null) {
+        if (cur.next.val === cur.val) {
+            cur.next = cur.next.next;
+        } else {
+            cur = cur.next;
+        }
+    }
+    return head;
+};