JavaScript debugging is a critical skill for developers. Here are key methods and tools to master:

1. Console Logging 📝

Use console.log() to track variable values and program flow.

console log

2. Developer Tools 🔍

Modern browsers like Chrome provide built-in tools for inspecting code:

  • Sources Tab: Set breakpoints and step through code
  • Network Panel: Monitor API requests and responses
  • Performance Tool: Analyze runtime efficiency
    developer tools

3. Debugger Statement ⚙️

Insert debugger; in code to pause execution at specific points.

debugger breakpoint

4. Debugging Libraries 🧠

Use tools like DevTools or Visual Studio Code for advanced features.

debugging library

5. Error Handling ❗

Implement try/catch blocks to catch exceptions gracefully: 

try {
  // Code that may throw an error
} catch (error) {
  console.error("An error occurred:", error);
}
![](https://cloud-image.ullrai.com/q/error_handling/)  

For deeper insights, explore our guide on [JavaScript error handling patterns](/en/javascript-error-handling).