A feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun.

"Mocha's flexible and well-documented API makes it a popular choice for developers writing unit and integration tests for JavaScript applications."

Testing method used to ensure that the software is not doing what it is not supposed to do and handling invalid input or conditions gracefully.

"Negative testing is crucial for determining the robustness of software by ensuring it can handle error conditions without crashing or producing incorrect results."

Syntactically Awesome Style Sheets, a preprocessor scripting language that is interpreted or compiled into Cascading Style Sheets (CSS).

"The team used Sass to write more maintainable and organized CSS code."

In programming, the process of breaking down a complex problem or function into smaller, more manageable parts, often to improve readability or reusability.

"Refactoring code by factoring out common functionality into separate functions can make the code cleaner and less prone to errors."

A type of malicious software designed to block access to a computer system until a sum of money is paid.

"Ransomware attacks can lead to significant data loss and downtime for businesses, emphasizing the importance of cybersecurity measures."