JavaScript
JavaScript is the language of the web browser and, through Node.js, of much of the backend, giving it the largest developer community of any language.
- Brand
- Ecma International (ECMAScript)
- Category
- Programming Languages
- Released
- 1995
- Price
- Not published
- VersusAnything Score
- 40/100
Key features
- Only language that runs natively in browsers
- Largest package ecosystem (npm)
- Full-stack with Node.js
Best for web developers who want one language for front end and back end.
JavaScript specifications
| Typing | Dynamic, weak (TypeScript adds static types) |
|---|---|
| Execution model | JIT compiled (V8, SpiderMonkey) |
| Main paradigms | Multi-paradigm: event-driven, functional, prototype-based OOP |
| Memory management | Garbage collected |
| Typical runtime performance | Fast for a dynamic language thanks to JIT |
| Concurrency model | Single-threaded event loop with async/await; Web Workers |
| Main uses | Web front ends, Node.js servers, mobile (React Native), desktop (Electron) |
| Package manager | npm, yarn, pnpm |
| Learning curve | Easy to start, hard to master |
| TIOBE rank (2025, approx.) | 6 |
Score breakdown
- Overall (100%)
Scored against every programming language in our database using the programming languages weighting.
Pros and cons
Pros
- Only language that runs natively in browsers
- Largest package ecosystem (npm)
- Full-stack with Node.js
Cons
- Weaker overall score (40/100 within programming languages)
Compare JavaScript against
Alternatives to JavaScript
- Python 100/100
- Java 60/100
- C++ 80/100
- Go (Golang) 20/100
- Rust 0/100
Sources
- JavaScript: Ecma International (ECMAScript) official (manufacturer)
Specifications last verified: 2026-10-01. Prices are launch or official list prices in US dollars unless stated. See our sources and data policy.