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What tools and techniques do you use for debugging JavaScript code?
By FrontendPro Editorial Team Updated 8/8/2026
#JavaScript
Answer
Some of the most commonly used tools and techniques for debugging JavaScript:
- JavaScript language
consolemethods (e.g.console.log(),console.error(),console.warn(),console.table())debuggerstatement
- Breakpoints (browser or IDE)
- JavaScript frameworks
- Browser developer tools
- Chrome DevTools: The most widely used tool for debugging JavaScript. It provides a rich set of features including the ability to set breakpoints, inspect variables, view the call stack, and more.
- Firefox Developer Tools: Similar to Chrome DevTools with its own set of features for debugging.
- Safari Web Inspector: Provides tools for debugging on Safari.
- Edge Developer Tools: Similar to Chrome DevTools, as Edge is now Chromium-based.
- Network requests
- Postman: Useful for debugging API calls.
- Fiddler: Helps capture and inspect HTTP/HTTPS traffic.
- Charles Proxy: Another tool for intercepting and debugging network calls.
