JavaScript Validator
Paste your JavaScript code to validate with ESLint.
About the JavaScript Validator

This tool helps you write cleaner, more reliable JavaScript code by checking it for syntax errors and common mistakes. It uses ESLint, a popular and powerful static analysis tool, to analyze your code without executing it.

Why Validate Your JavaScript?

  • Catch Errors Early: Find typos, syntax errors, and other potential bugs before they make it into your application.
  • Enforce Best Practices: The validator encourages good coding habits by flagging issues like unused variables or incorrect scope.
  • Improve Code Quality: Writing valid code is the first step toward creating maintainable, high-quality software.

How It Works

When you paste your code and click "Validate," it is run through a pre-configured ESLint setup. Any issues found are reported below, telling you what the problem is and where to find it, so you can fix it quickly.