It is the task of building and maintaining web-based applications that are used for a variety of purposes that is at the core of web development. Therefore, in order to develop an application, standardized software stacks are essential. In terms of JavaScript development, MEAN is the latest trend combining MongoDB, Express.js, AngularJS, and Node.js technologies. JavaScript developers will find MEAN useful due to the fact that it allows them to write the entire client-to-server code in JavaScript. In addition, it is relatively easy to learn and customize applications to suit one’s requirements because of their flexibility and open-source nature.