Reverse Linked List

Author: parshva45

Reverse Linked List.js

@@ -0,0 +1,30 @@
+/*Reverse a singly linked list.*/
+
+/**
+ * Definition for singly-linked list.
+ * function ListNode(val) {
+ *     this.val = val;
+ *     this.next = null;
+ * }
+ */
+/**
+ * @param {ListNode} head
+ * @return {ListNode}
+ */
+var reverseList = function(head) {
+    arr = []
+    cur = head
+    while(cur != null){
+        arr.push(cur.val)
+        cur = cur.next
+    }
+    return arr.reverse()
+    head = new ListNode(arr[0])
+    curr = head
+    for(i=1; i<arr.length-1; i++){
+        curr.next = new ListNode(arr[i])
+        curr = curr.next
+    }
+    curr.next = null
+    return head
+};