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AI Features

Get the Node from Linked List

Understand how to retrieve and manipulate a node in a linked list using an id and hashmap in JavaScript. This lesson guides you through updating linked list pointers to reorder chat elements as part of an LRU cache implementation.

Introduction

We've already implemented the class to construct our chat list data structure and implemented functions to get the current time, and to create nodes to store the user's name, image, and message. Each user will be denoted by an ...