However, JavaScript compilers can optimize your JavaScript code and generate improved code. The compiled JavaScript files are smaller than your original JavaScript files, reducing download times ...

JavaScript scripts can be created in any text editor, such as Notepad and WordPad, but must be saved with a ".js" extension to be functional. Create a new text file and name it "timer.js." ...

It supports the following file types: JavaScript (.js); TypeScript (.ts); JavaScript React (.jsx;) and TypeScript React (.tsx) -- JSX after installing the corresponding extension. [Click on image for ...