RunJS for Mac is a specialized code playground application designed for JavaScript and TypeScript developers. It provides an instant execution environment for writing, testing, and experimenting with code snippets without the need for a browser or a full-scale project setup.
The application offers a clean and focused workspace with live feedback, showing results and errors as you type. It supports modern ES6+ syntax, async/await, and has built-in access to Node.js and browser APIs, making it an ideal tool for prototyping ideas, learning new language features, or performing quick calculations.
With RunJS Mac, you can organize your code snippets, import and use thousands of npm modules directly, and benefit from features like syntax highlighting, a rich console, and file system access. Its minimalistic interface eliminates distractions, allowing you to concentrate purely on coding.
Optimized for macOS, RunJS runs efficiently on both Intel-based Macs and Apple Silicon (M1, M2, M3), ensuring smooth performance. It is the perfect companion for students, educators, and professional developers who need a quick and reliable sandbox for JavaScript and TypeScript on their Mac.
- macOS 11.0 Big Sur or newer
- Intel or Apple Silicon (M1/M2/M3) processor
- 4 GB RAM (8 GB recommended)
- 50 MB free disk space
- Use
Cmd + Rto quickly run your code - Create custom tabs for different coding experiments
- Utilize the built-in Lodash library for common utilities
- Explore the integrated Node.js and Browser APIs for extended functionality
- Rapid JavaScript and TypeScript prototyping
- Learning and testing new ECMAScript features
- Quick data processing and calculations
- Sharing executable code snippets with colleagues
- Verifying code logic before implementation in larger projects
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