Array Operations

Definition

Arrays provide O(1) random access by index. In JS, arrays are actually objects optimized by the engine, but adding/removing from the beginning (`shift`, `unshift`) is O(N) because it requires shifting all subsequent elements.

Explain Like I'm New

A row of lockers. Opening locker #5 is instant. But if you want to insert a new locker at the very beginning, you have to move every single locker down one spot.

Interactive Coding Challenges

Write a function to implement the core logic of Array Operations.

Solution Code

Console output will appear here...

This is the most straightforward brute-force or fundamental approach.