# Debugging with Breakpoints

A debugger pauses your program at a breakpoint, lets you run it one line at a time, and shows every variable's value as you go, in VS Code for Node and in the browser's DevTools for a page, so you can see the line where a value goes wrong.

![Cheat sheet: Debugging with Breakpoints](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/10/66dc656218304c06b32658bdfb654549.webp)

- Category: JavaScript
- Level: Apprentice
- Tags: Breakpoint (javascript), Call Stack, Debugger (javascript), Developer Tools, JavaScript, software-development
- Updated: November 1, 2026

Source: https://www.ask-codey.com/cheat-sheets/javascript-debugging-breakpoints-cheat-sheet