What are the debugging techniques in Chrome browser?

Chrome Debugging Techniques

Chrome browser provides powerful debugging tools to help developers quickly locate and solve problems.

Main Debugging Tools

1. Elements Panel

   • View and modify DOM structure
   • Edit CSS styles in real-time
   • View computed styles
   • Monitor element changes

2. Console Panel

   • Execute JavaScript code
   • View logs and error messages
   • Use console API for debugging
   • Supports breakpoint debugging

3. Sources Panel

   • View and edit source code
   • Set breakpoints
   • Step-by-step debugging
   • View call stack

4. Network Panel

   • Monitor network requests
   • View requests and responses
   • Analyze loading performance
   • Simulate network conditions

Advanced Debugging Techniques

1. Breakpoint Debugging

   • Conditional breakpoints
   • Log breakpoints
   • DOM breakpoints
   • XHR breakpoints

2. Performance Analysis

   • Performance panel recording
   • Memory analysis
   • CPU usage analysis
   • Rendering performance analysis

3. Mobile Debugging

   • Device mode simulation
   • Touch event simulation
   • Network throttling simulation
   • Remote debugging

4. Blackboxing Scripts

   • Exclude third-party libraries
   • Focus on target code debugging
   • Improve debugging efficiency

Common Shortcuts

• F12: Open Developer Tools
• Ctrl+Shift+I: Open Developer Tools
• Ctrl+Shift+C: Select element
• Ctrl+Shift+J: Open Console
• F8: Pause/Resume execution
• F10: Step over
• F11: Step into

Best Practices

• Master each panel
• Make good use of breakpoints and logs
• Regularly analyze performance
• Keep code clean
• Use Source Map for debugging minified code