Jul 18, 2014 · I update the graph by creating a new instance of a Chart with the new data points, and thus reinitializing the canvas. This works fine. However, when I hover over the new chart, …

Nov 25, 2020 · Chart.js 3 is tree-shakeable, so it is necessary to import and register the controllers, elements, scales, and plugins you are going to use. I'm wondering where do I find …

I am using the Chart.js library to draw a bar graph, it is working fine, but now I want to destroy the bar graph and make a line graph in the same canvas. I have tried these two ways to clear the c...

77 I managed to find the answer to my question by looking through the Chart.js source code. Provided at line 3727 of Chart.js, Standard Build, is the method .getElementAtEvent. This …

Feb 8, 2023 · The index of the bar element corresponds to its numeric x value, so to get the index corresponding to a click event you just have to convert the event's clientX from pixel to "real" …

Nov 24, 2021 · 9 In react, I also faced the same issue with doughnut charts. npm i react-chartjs-2 chart.js Documentation says to install this in frontend frameworks; I was using React.

May 27, 2021 · import {CategoryScale} from 'chart.js'; Chart.register(CategoryScale); Or you can choose to not use treeshaking and import everything like so:

Find solutions for resizing Chart.js canvas in HTML, including tips on responsiveness and container settings.

Detecting when the canvas size changes can not be done directly from the canvas element. Chart.js uses its parent container to update the canvas render and display sizes.

Learn how to resolve the issue of Chart.js failing to create a chart due to inability to acquire context from the given item.