Nowadays, JavaScript is a widely used language for web-application development, and even for back-end development as it is simple and flexible, but at the same time capable of building complex web solutions. Most of the dynamic websites and web applications are developed using the MEAN stack(MEAN stands for Mongo DB,Express,Angular and Node.js) which means a large fraction of developers are much familiar with JavaScript comparatively and will prefer the tools which are combined with JavaScript as well. That's why Selenium with JavaScript is a favorable combination to perform automated UI Testing for them. It offers efficiency and security. It comes in a form of library named JavaScript Language Bindings. ​ ​ Refer next page Selenium JavaScript Installation And Setup