rhino
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Description:
JavaScript engine
Type: Formula  |  Latest Version: 1.8.1@0  |  Tracked Since: Dec 22, 2025
Links: Homepage  |  @Mozilla  |  formulae.brew.sh
Category: Developer tools
Tags: javascript java engine runtime scripting
Install: brew install rhino
About:
Rhino is an open-source JavaScript engine written in Java, originally developed by Mozilla. It allows you to execute JavaScript scripts within Java applications, providing a seamless bridge between the two languages. Its main value proposition is enabling Java developers to add scripting capabilities to their applications for dynamic logic and configuration.
Key Features:
  • Executes JavaScript within Java applications
  • Full implementation of ECMAScript specifications
  • Interactive command-line shell for testing
  • Java-to-JavaScript interoperability
  • Supports compilation to Java bytecode
Use Cases:
  • Embedding scripting capabilities into Java applications
  • Automating tasks and configuration in Java environments
  • Testing and prototyping JavaScript code
Alternatives:
  • GraalJS – Part of GraalVM, offers higher performance but larger footprint
  • Nashorn – Built into JDK 8-14, deprecated in favor of GraalVM
Version History
Detected Version Rev Change Commit
Dec 22, 2025 11:27pm 1.8.1 0 VERSION_BUMP b16b38e8
Jan 5, 2025 3:35pm 0 VERSION_BUMP 3981898b