Mocha is a powerful and flexible open-source JavaScript testing framework designed for testing Node.js applications and browser-based projects. It offers a feature-rich environment for writing, running, and organizing tests with support for various testing styles, including Behavior-Driven Development (BDD) and Test-Driven Development (TDD). Mocha is an essential tool for developers who aim to create reliable, maintainable, and scalable applications with robust testing practices.

Features of Mocha:

• Flexible Testing Styles: Supports both BDD and TDD, allowing developers to write tests that suit their preferred style of testing.
• Rich Reporting Options: Built-in and customizable reporters for detailed test results and efficient debugging.
• Asynchronous Testing: Handles async functions, including promises, callbacks, and async/await, making it perfect for modern JavaScript applications.
• Extensibility: Easily integrates with assertion libraries like Chai, Sinon for mocks, and other tools for enhanced testing capabilities.
• Cross-Platform Support: Runs on both Node.js and in the browser, making it suitable for diverse applications.
• Comprehensive Assertion Support: Integrates with various assertion libraries for flexible, readable, and expressive test code.

To check version of Mocha: mocha --version

Disclaimer: Mocha is an open-source software distributed under the MIT License. It is not affiliated with, endorsed by, or sponsored by any specific organization. Users are encouraged to review the documentation and ensure compliance with licensing terms when using Mocha in their projects.