I would like to understand how to properly bring JSON data across to multiple chartJS functions in a mainChart.js file. You can choose any charting library but keep in mind that the library should have a means to update the chart without completely re-rendering it. In this article we will gonna learn how to create charts using Chart.js with React. I am trying to create a multiline chart using Chart.js I can do this for 1 line and i can do 2 lines using a fixed data structure but I cannot get multiple lines to display data passed to the data then we add a canvas element to display our chart. Chart.js Its a simple JavaScript library which is used to create various type of charts using Html5 Canvas element. Chart.JS plot. Using Chart.js, we can draw charts and graphs on webpage using HTML5 canvas element. Chart.java is licensed under the Apache 2.0 license. Its a simple JavaScript library which is used to create various type of charts using Html5 Canvas element. It supports 8 different type of charts. Chart.js used Canvas which is great in terms of performance and IE11+ also supports it. I read through some discussion on the Chart.js forum and they mention this problem occurring when there are multiple instances of the chart pointing to the same canvas. Chart.js. Another key feature of Chart.js 2.0 is mobile support. If you aren’t familiar with Chart.js, it’s worth looking into it.It’s a powerful and simple way to create clean graphs with the HTML5