# JavaScript Development JavaScript is built and minified using webpack. Therefore you need to install **Node.js 6+ and npm**. Then install the local dependencies by running: npm install ## Tasks The following tasks are available: * **Build the JavaScript**: npm run build * **Build the JavaScript in Dev Mode**: npm run build * **Watch for changes and build JavaScript**: npm run watch * **Run JavaScript unit tests**: npm run karma * **Watch for changes and run JavaScript unit tests**: npm run watch-karma