Coding Interview Prep: Reverse Linked List with JavaScript Solution

Marika Lam

·

Follow

Jul 19, 2024

--

Share

Solution

/*
Time Complexity: O(n)
Space Complexity: O(1)
 */
var reverseList = function(head) {
    let node = null;

    while (head){
        const temp = head.next;
        head.next = node;
        node = head; 
        head = temp;
    }
    return node;
};