# Runtime Error

A problem that occurs while a compiled program is running.

## What is **Runtime Error** in JavaScript?

**Runtime Error** — A problem that occurs while a compiled program is running.

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

Updated: September 27, 2026

## In other subjects

- [Runtime Error in C#](https://www.ask-codey.com/glossary/runtime-error-c-sharp)
- [Runtime Error in Java](https://www.ask-codey.com/glossary/runtime-error)

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