With today’s technology in constant development or advancement the world is full of information circulating or sharing and today information can be easily accessed from anywhere at any time. As a lot can be learned from information or data, they are arranged and classified according to certain characteristics, and it would be desirable to visualize such data in some situations. There are various ways of visualization and the paper will visualize the data using the javascript library D3.js As the d3.js javascript library should know the basics of programming in javascript language such as objects, functions, variables and classes and also html basics. The paper goes through the basics of the d3.js library, such as creating various diagrams, SVG, transitions, interactions with visuals. The above is only part of such a library but the possibilities with such a library are limitless. You will work with and visualize the data, but you need to save the specified data in a database, which will use Google's Firebase platform. In the business world, quality, timely and accurate information is very important when making business decisions, and in addition, the visualization of data and information provides even better insight when making a decision or understanding of data. It works with the text editor Visual Studio Code which is a powerful and popular editor in the world of development. The way of working is explaining through the construction of a smaller project, ie in the end the units will be connected and the smaller project will be completed.