See the Pen ECharts 4.0 - Pie Chart with Theme - Tech Blue by Janet Wagner (@WebCodePro) on CodePen.
I was a web developer before deciding to focus on technical writing full time. For about five years, I took on web development projects and technical writing projects. In my spare time I like to experiment with JavaScript libraries and APIs.
The library I use the most is ECharts, an open source (Apache License V2) charting and visualization library. I've created quite a few CodePens featuring bar, line, pie, and other types of charts powered by ECharts. I've also created a number of custom themes for ECharts.
While I no longer take on web development projects, I will consider projects that involve data visualization, a limited amount of coding, making API calls, or including examples of API calls/responses in the content.
Libraries I use often include: