Nashorn vs jRuby

Struggling to choose between Nashorn and jRuby? Both products offer unique advantages, making it a tough decision.

Nashorn is a Development solution with tags like javascript, ecmascript, jvm, java-interoperability.

It boasts features such as Lightweight high-performance JavaScript engine, Full support for ECMAScript 5.1 specification, Integrated with Java Virtual Machine (JVM), Allows embedding JavaScript code in Java applications, Enables client-side scripting using JavaScript, Interoperability between Java and JavaScript code and pros including Fast performance, Leverages JVM features like security, scalability, Easy integration with Java code and APIs, Can access Java classes and methods from JavaScript, Reuse existing JavaScript code and libraries.

On the other hand, jRuby is a Development product tagged with ruby, jvm, dynamic, objectoriented.

Its standout features include Runs Ruby code on the Java Virtual Machine, Allows calling Java code from Ruby, Access to Java libraries and frameworks, Good performance and scalability, Can be used with Java EE application servers, Supports Rails and most Ruby gems, and it shines with pros like Leverages strengths of the Java platform, Faster performance than MRI Ruby, Scales well on multicore systems, Mature and production-ready, Access to vast Java ecosystem, Runs on Java EE application servers.

Feature	Nashorn	jRuby
Overall Score	N/A	N/A
Primary Category	Development	Development

Product Overview

Nashorn

Description: Nashorn is a JavaScript engine integrated into the Java Virtual Machine (JVM). It allows developers to embed JavaScript code into Java applications and enable client-side scripting using JavaScript. It is lightweight, high-performance, supports the ECMAScript specification, and enables Java and JavaScript interoperability.

jRuby

Description: jRuby is an implementation of the Ruby programming language that runs on the Java virtual machine (JVM). It allows developers to use Ruby syntax and libraries while leveraging the performance, scalability, and enterprise features of Java.

Key Features Comparison

Nashorn Features

• Lightweight high-performance JavaScript engine
• Full support for ECMAScript 5.1 specification
• Integrated with Java Virtual Machine (JVM)
• Allows embedding JavaScript code in Java applications
• Enables client-side scripting using JavaScript
• Interoperability between Java and JavaScript code

jRuby Features

• Runs Ruby code on the Java Virtual Machine
• Allows calling Java code from Ruby
• Access to Java libraries and frameworks
• Good performance and scalability
• Can be used with Java EE application servers
• Supports Rails and most Ruby gems

Pros & Cons Analysis

Nashorn

Pros

• Fast performance
• Leverages JVM features like security, scalability
• Easy integration with Java code and APIs
• Can access Java classes and methods from JavaScript
• Reuse existing JavaScript code and libraries

Cons

• Not fully compatible with some latest ECMAScript features
• Limited debugging capabilities compared to Node.js
• No active development since Java 11
• Lacks features of full-fledged JavaScript runtimes

jRuby

Pros

• Leverages strengths of the Java platform
• Faster performance than MRI Ruby
• Scales well on multicore systems
• Mature and production-ready
• Access to vast Java ecosystem
• Runs on Java EE application servers

Cons

• Startup time can be slower than MRI Ruby
• Not all Ruby C extensions are supported
• Debugging and tooling not as rich as MRI Ruby
• Not fully compatible with MRI Ruby in some edge cases

Pricing Comparison

Nashorn

• Open Source

jRuby

• Open Source