Test JavaScript knowledge with categorized quizzes. Each quiz includes multiple-choice questions with four options. Track progress and prepare for interviews. New questions are added regularly by the development team.
Generate source code using AI-based suggestions. Input project requirements to receive code in multiple programming languages. Edit and refine generated code. Integrate with version control systems. Export code in standard formats.
Run code on iOS devices using MRuby VM. Edit code with syntax highlighting and autocomplete. View documentation inline. Execute code via Shortcuts or Siri. Make HTTP requests and interact with native alerts. Access clipboard for input and output.
Edit in real-time with live output preview. Tap elements to view and modify their . Update changes instantly. Create , CSS, and JavaScript projects. Export for further use.
Search npm packages in real time with filters for quality, popularity, and maintenance. View full READMEs with markdown and syntax highlighting. See version history, release dates, and dependencies for each package.