# Source Map

A file connecting transformed code locations back to the original source.

## What is **Source Map** in JavaScript?

**Source Map** — A file connecting transformed code locations back to the original source.

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/source-map