When building JavaScript applications—whether front-end or back-end—performance is more than just execution speed. Memory management plays a vital role in how smooth and responsive your applications feel. Poor handling of memory often results in sluggish user experiences, freezes, or even crashes. Understanding how JavaScript manages memory and applying optimization techniques can drastically improve the efficiency of your applications.
How JavaScript Manages Memory
1. Memory Allocation
JavaScript automatically allocates memory whenever you create variables, objects, or functions. For example:
js
