C3 js line graph. Integrating C3. We don’t need to write D3 code any more. Because I don't want to copy it by myself, I use "postcss-import" to import it. If the current chart type is stanford the function receives value and percentage as parameters that represent the number of points in this region. js graph? How to update the tick (the circles) color? C3. js that solves just this case. Nov 14, 2021 · So I will try C3. D3 is also JavaScript library used to make complex visualisations. Available as an NPM package. js which is a charting library based on D3.