chartjs/Chart.js

Simple HTML5 Charts using the <canvas> tag

Stars: 67.7k
Forks: 11.9k
Open beginner issues: 0
Indexed issues: 496
Avg merge: 7h 39m
Merged PRs (30d): 5

Dominant language: JavaScript
License: MIT
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

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496 open issues indexed

Dashed Legend label as per dashed dataset border Open

type: enhancement

chartjs/Chart.js#11234 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
please implement a way to export Charts to SVG using svgcanvas Open

type: enhancement

chartjs/Chart.js#11237 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
dont see any canvas on chartjs.org on iphone safari ios 14.4.2 Open

type: bug

chartjs/Chart.js#11242 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Responsive charts with bootstrap (or probably any other layout system) Open

type: documentation

chartjs/Chart.js#11243 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Chart.js 2.9.4 minBarLength issue with multiple chart Open

type: enhancement

chartjs/Chart.js#11254 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Review deprecated packages on NPM. Open

type: chore

chartjs/Chart.js#11255 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Line chart - combination of fill `start` and `end` Open

type: enhancement

chartjs/Chart.js#11258 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Missing pointRadius attr declaration in PointPrefixedOptions Open

type: bug type: types

chartjs/Chart.js#11259 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Controller generateLabels - TypeError: Cannot read properties of undefined (reading 'length') Open

type: bug

chartjs/Chart.js#11263 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
chartjs-color-string Vulnerability Open

type: bug

chartjs/Chart.js#11265 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Resolve Promise Open

type: enhancement

chartjs/Chart.js#11266 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
First grid cell is smaller than subsequent cells Open

type: bug

chartjs/Chart.js#11278 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cannot add padding when legend is aligned left Open

type: bug

chartjs/Chart.js#11280 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Not possible to set the default option for each chart Open

type: bug

chartjs/Chart.js#11285 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Using object as data source with multiple data sets breaks tool tips and click events if keys don't match and line up. Open

type: bug

chartjs/Chart.js#11286 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How can I create waterfall with related stacked bars? It's problem, when -Y appers on graphic (some bars ''jumps'' from random position in stack). I will add my example code with screens. Open

chartjs/Chart.js#11290 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Dynamically changing the chart's type Open

type: bug

chartjs/Chart.js#11291 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
'toFont' helper can affect lineHeight if called with a result object from a previous 'toFont' invocation Open

type: enhancement

chartjs/Chart.js#11297 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Doughnut Chart size is decreasing automatically when mouse hover or click Open

type: bug

chartjs/Chart.js#11304 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Using center position axes drags the title into the center of the chart area as well Open

type: enhancement

chartjs/Chart.js#11307 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Rendering issue for Background color (Gradient and Opacity for solid color) Open

type: bug

chartjs/Chart.js#11310 · 15 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
add option to show arithmetic moving average like excel graph Open

type: enhancement

chartjs/Chart.js#11314 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Uncaught TypeError: Cannot read properties of undefined (reading 'call') chart.js Open

type: bug

chartjs/Chart.js#11316 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Toggle data visibility for bar charts should expand remaining bars to fill the space Open

type: enhancement

chartjs/Chart.js#11319 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Create multiple waterfall bar charts Open

type: enhancement

chartjs/Chart.js#11323 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Line chart with grid lines Open

type: documentation

chartjs/Chart.js#11332 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Point during a data hover is not displayed correctly Open

type: bug

chartjs/Chart.js#11336 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Make the `chart.data.datasets.dataset.hidden` reflect the actual value Open

type: enhancement

chartjs/Chart.js#11339 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bar Chart borderDash: Open

type: documentation

chartjs/Chart.js#11341 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
defaultView is null (Firefox and Chromium / chart.js 4.3) Open

type: bug

chartjs/Chart.js#11355 · 3 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
Interface: ChartTypeRegistry for Mixed Chart Types Open

type: bug

chartjs/Chart.js#11356 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Add OSSF Scorecard security workflow Open

chartjs/Chart.js#11359 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bar chart overlapping bars and empty spaces when using Object data structure Open

type: bug

chartjs/Chart.js#11361 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Swap the Bars in BarCharts intead of updating bar data Open

type: enhancement

chartjs/Chart.js#11367 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Type error setting pointStype to false Open

type: bug type: types

chartjs/Chart.js#11368 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Doughnut hide(...) not being animated Open

type: bug

chartjs/Chart.js#11369 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Module parse failed: Unexpected token (567:17) Open

type: bug

chartjs/Chart.js#11375 · 10 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Cannot read properties of undefined (reading 'labels') Open

type: bug

chartjs/Chart.js#11380 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Chart: Charts are not rendering correctly in safari 15 Open

type: bug

chartjs/Chart.js#11389 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Grouped barchart bar are sticks together even using barpercentage, and customize other properties Open

type: bug

chartjs/Chart.js#11391 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Legend will get blocked by chart when setting padding Open

type: bug

chartjs/Chart.js#11397 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Safari 12.1.2 getting error Unexpected token '='. Expected an opening '(' before a method's parameter list Open

type: bug

chartjs/Chart.js#11408 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Line Chart backgroundColor looks scratched when assigning segment borderColor, 200~ points on dataset Open

type: bug

chartjs/Chart.js#11409 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cannot see ticks lines when grid > display = false Open

type: bug

chartjs/Chart.js#11414 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Non-static registry Open

type: enhancement

chartjs/Chart.js#11421 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Doughnut chart legends issue in chart.js Open

type: bug

chartjs/Chart.js#11425 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Line segments disappear sometimes when points are out of chartArea Open

chartjs/Chart.js#11955 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Toggle doughnut vs. label resizing Open

type: enhancement

chartjs/Chart.js#11429 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Rendering flowchart is wrong Open

type: documentation

chartjs/Chart.js#11436 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Superfluous value copies inside plugin options Open

type: bug

chartjs/Chart.js#11438 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

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