What is a common tool used to minify JavaScript files?

Minification is the process of removing unnecessary characters from code (such as whitespace, comments, and newline characters) without changing its functionality, which helps to improve the loading time of web applications. The correct answer indicates that all the listed tools are capable of minifying JavaScript files.

Webpack is a powerful module bundler that can optimize and minify JavaScript files as part of its build process. By using plugins like UglifyJS or Terser, Webpack can significantly reduce the size of JavaScript files, making them more efficient for production environments.

Node.js, as a runtime environment, provides a platform for executing JavaScript outside a web browser. Through its vast array of modules and libraries, developers can utilize Node.js in conjunction with various tools that can perform minification. For instance, many minification packages can be run using Node.js scripts.

Gulp is a task runner that allows developers to automate and streamline development tasks, including minification. By setting up specific tasks using Gulp plugins designed for minifying JavaScript, developers can easily incorporate minification into their workflow.

Since all the tools mentioned are commonly used to minify JavaScript files in a development pipeline, they collectively represent effective methods to achieve this goal. Therefore, the