Rhino vs Deno

JavaScript in Java? It's like duct-taping a sports car to a tractor—clunky but surprisingly effective for embedding scripts meets node. Here's our take.

Rhino

Nice Pick

JavaScript in Java? It's like duct-taping a sports car to a tractor—clunky but surprisingly effective for embedding scripts.

Pros

• Seamlessly embeds JavaScript into Java apps for dynamic scripting
• Open-source and actively maintained by Mozilla
• Supports server-side automation and testing without external dependencies

Cons

• Performance lags behind modern engines like V8 or GraalVM
• Limited ES6+ support makes it feel outdated for modern JavaScript

Deno

Node.js if Ryan Dahl could do it over. TypeScript-first, secure by default, still fighting for adoption.

Pros

Cons

The Verdict

These tools serve different purposes. Rhino is a languages while Deno is a ai assistants. We picked Rhino based on overall popularity, but your choice depends on what you're building.

The Bottom Line

Rhino wins

Based on overall popularity. Rhino is more widely used, but Deno excels in its own space.