What is a JavaScript File?
JavaScript files are used to add interactivity to web pages. They contain code that is executed on the client-side, allowing for dynamic updates to web page content.
- .js is the most common JavaScript file extension.
- JavaScript files can be used for client-side scripting, server-side programming with technologies like Node.js, and more.
Common JavaScript File Extensions
While .js is the standard extension, you may encounter other extensions like .mjs (for ES6 modules) or .ts (for TypeScript).