# Event Loop

The runtime mechanism that schedules queued work when the call stack is available.

## What is **Event Loop** in JavaScript?

**Event Loop** — The runtime mechanism that schedules queued work when the call stack is available.

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

Updated: September 27, 2026

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