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Questions tagged [chart.js]

Chart.js is an open source JavaScript library for creating animated, interactive charts for inclusion on web pages.

0 votes
0 answers
9 views

How do I change the font of Chart.js/React-Chartjs-2 labels?

I have a Next.js personal website that I want to add features to. One of these features is a Chart using Chart.js + React-Chartjs-2. I use App Router. The issue is that the fonts used in the chart ...
Steve's user avatar
  • 117
0 votes
0 answers
16 views

Image as background of data labels i.e as background color in chart.js [closed]

Is there any way to add image as background color i.e different image for background of each data label. If there is please let me know. I tried doing it by putting images in an array and equating it ...
dawood zulfiqar's user avatar
0 votes
0 answers
33 views

How to dynamically update Chart.js horizontal bar chart to show only team members with data in selected modules? [closed]

I'm working with a horizontal bar chart in Chart.js where each bar represents a team member. The chart's vertical axis lists team members, while the horizontal axis depicts different time periods ...
Pratyush Srivastava's user avatar
0 votes
2 answers
48 views

Prevent chart to resize due to long labels

i am using chart.js and react-chartjs-2. I have this polar chart and a dropdown at top left, as seen in the screenshots, they get resized due to long labels. when I give an empty array to display no ...
wasilikoslow's user avatar
  • 1,771
-2 votes
0 answers
22 views

How to center tick between grid line in Radar chart.?

To center ticks between grid lines in a Radar chart using Chart.js, you can adjust the offset option in the scale configuration. Here's how you can do it:
Deendayal Singh's user avatar
1 vote
1 answer
28 views

How to center the ticks between grid lines in Radar chart?

The problem is that I don't know how to position the ticks (numbers from 1 to 5) between the grid lines. Currently it is showing above the grid lines: Here is the javascript code: const ctx = ...
Luane's user avatar
  • 73
0 votes
1 answer
41 views

I want to make only border top and border bottom to a doughnut chartjs

Problems : I have the border left who add an triangle border left and right And i have the natif problem of responsive legend size, i want to add css on segment but not on legend of this segment. ** ...
amrane97's user avatar
1 vote
0 answers
29 views

ChartJS Category Axis for line chart to behave same as bar chart

I have a chart which shows different datasets depending on what has been selected. Some datasets are line charts and some are bar charts all using the same categories on the x-axis. Now my problem is ...
mabe.berlin's user avatar
  • 1,073
2 votes
0 answers
75 views

Chart js 2.9.4 - showing tooltip of another column in bar chart

I am using Angular 4 and Chart js 2.9.4 - bar chart and pie chart where I am hovering on 2nd column and showing me tooltip of 1st column.I have tried different configuration in tooltips using position,...
Rishabh Shah's user avatar
0 votes
0 answers
29 views

Uncaught runtime errors: ERROR dispatcher is null

Trying to use chart.js, but everytime i try fetch the data it throws me 'Uncaught runtime errors: ERROR dispatcher is null' this error. The page doesn't render at all, everything on there is gone, ...
stan 's user avatar
  • 11
0 votes
0 answers
29 views

ChartJs adding data point between x axis point [closed]

chart image how can I hide the gap between age 6 and 7 and so on but still keep the data point? So basically the Min, Avg, and Max is a yearly data, but the Height is a progress data that would be ...
lucky12020's user avatar
0 votes
0 answers
37 views

Show dataset by dataset bars/lines in chart.js [closed]

Expected output [current output][https://i.sstatic.net/CUfctmhr.png] So as the images show. currently it shows a bar from each year in january. I want this years to be visible only after all months of ...
Dilip Tarkhala's user avatar
0 votes
1 answer
27 views

how to make chartjs-plugin-colorschemes 0.4.0 work with Chart.js v4.4.3

basically im doing everything like written in the doc, so <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/chart.js"></script> <script type="...
murison's user avatar
  • 3,833
0 votes
2 answers
28 views

How to have line span from 2 points in chartjs?

I currently have a chart with a dynamic line and a horizontally static line: Right now, the code manually types out the horizontal data points 50 times: var data1 = { datasets: [ ...
Rohan Shah's user avatar
1 vote
0 answers
28 views

Indicate label for Horizontal line

I'm trying to find a way to add a label to show what red horizontal line indicates (in this case it's target) Can anyone help me to add a label for horizontal line which cross through y = 100, please? ...
Wathsala Heenkende's user avatar

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