# Memory Leak

Unwanted memory growth caused by retaining references to objects no longer needed.

## What is **Memory Leak** in JavaScript?

**Memory Leak** — Unwanted memory growth caused by retaining references to objects no longer needed.

Level: Master · [More JavaScript terms at this level](https://www.ask-codey.com/glossary/subjects/javascript/master)

Updated: September 27, 2026

## In other subjects

- [Memory Leak in C#](https://www.ask-codey.com/glossary/memory-leak-c-sharp)
- [Memory Leak in Java](https://www.ask-codey.com/glossary/memory-leak)

Source: https://www.ask-codey.com/glossary/memory-leak-javascript