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browser-debugging

Debug client-side issues using browser developer tools. Identify JavaScript errors, styling issues, and performance problems in the browser.

SKILL.md

Full skill instructions

Browser Debugging

Table of Contents

Overview

Browser debugging tools help identify and fix client-side issues including JavaScript errors, layout problems, and performance issues.

When to Use

  • JavaScript errors
  • Layout/​styling issues
  • Performance problems
  • User interaction issues
  • Network request failures
  • Animation glitches

Quick Start

Minimal working example:

Chrome DevTools Tabs:

Elements/​Inspector:
  - Inspect HTML structure
  - Edit HTML/​CSS in real-time
  - View computed styles
  - Check accessibility tree
  - Modify DOM

Console:
  - View JavaScript errors
  - Execute JavaScript
  - View console logs
  - Monitor messages
  - Clear errors

Sources/​Debugger:
  - Set breakpoints
  - Step through code
  - Watch variables
  - Call stack view
  - Conditional breakpoints

Network:
  - View all requests
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

GuideContents
Browser DevTools FundamentalsBrowser DevTools Fundamentals
Debugging TechniquesDebugging Techniques
Common Issues & SolutionsCommon Issues & Solutions
Performance DebuggingPerformance Debugging

Best Practices

✅ DO

  • Follow established patterns and conventions
  • Write clean, maintainable code
  • Add appropriate documentation
  • Test thoroughly before deploying

❌ DON'T

  • Skip testing or validation
  • Ignore error handling
  • Hard-code configuration values