Frontend Linear Data Structures Deep Dive: Arrays, Stacks, Queues, and Linked Lists (opens in new tab)

The Big Picture Before diving into stacks, queues, and linked lists, it helps to know where they sit in the landscape. Linear structures - arrays, linked lists, stacks, queues - arrange elements one after another. Each node has exactly one predecessor and one successor. Non-linear structures - trees and graphs - are a different story for another day. Arrays Arrays are the workhorse of JS. They use contiguous memory and give you direct access to any element by index - no traversal needed. Addi...