Máté Huszárik Engineer at RisingStack, interested in JS, Golang, .NET Core. Recently, we had the pleasure to participate in a machine learning project that involves libraries like React and D3.js. Among many tasks, I developed few charts that help to process the result of ML models like Naive Bayes in form of a line chart or grouped bar chart. In this article, I would like to present my progress with D3.js so far and show the basic usage of the library through the simple example of a bar chart.