# Dependency

External code that a project needs to compile or run.

## What is **Dependency** in JavaScript?

**Dependency** — External code that a project needs to compile or run.

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

Updated: September 27, 2026

## In other subjects

- [Dependency in C#](https://www.ask-codey.com/glossary/dependency-c-sharp)
- [Dependency in Java](https://www.ask-codey.com/glossary/dependency)
- [Dependency in OOP](https://www.ask-codey.com/glossary/dependency-oop)

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