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Questions - chart.js

Pagination for Chart.js line chart?

So I have tons of data, about 10000 rows of data which all needs to be shown in the line chart somehow. I would like it if there was a pagination system. Like click on an arrow and it shows the next 2...
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user17388101

javascript

reactjs

charts

chart.js

Votes: 0

Answers: 1

Latest Answer

Thanks to @LeeLenalee! So chart js doesn't have pagination options. What I did was make 2 buttons which onClick show me the next 20 data values or previous 20 data values. I slice the arrays which get...
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user17388101

Reference to the previous element in the array - in Javascript

How can I refer to the previous element in an array? I want to calculate the angular distance of 2 coordinates so that I can move a steering wheel. My data comes from a robot. let arrX = []; let arrY ...
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Herka Bela

javascript

arrays

chart.js

Votes: 0

Answers: 1

Latest Answer

After you push a new element onto an array, the element before it is the 2nd to last element. Unlike some other languages (e.g. Python) there's no shorthand syntax to index from the end of an array. S...
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Barmar

Some imports are missing in ng2-charts@3.0.8

I have recently update chart.js from 2.9.4 to 3.6.0 and ng2-chart from 2.4.3 to 3.0.8. I have followed the migration guide from chart.js to migrate to v3.X I've update my imported module from import {...
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E-Mohamed

angular

typescript

chart.js

ng2-charts

Votes: 0

Answers: 1

Latest Answer

They took away the labels and color and some schemas i guess we have to declare those in component.ts... eg: labels:[] and then declare them to your own I dont know how to post the code but here is a ...
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KidRomesh

ChartJS generated random number at <canvas>

can someone help me with randomly generated 0 at the top of the ChartJS canvas. Here is the js: const chartConst= document.getElementById('canvasUnique').getContext('2d'); const chartInit= new Cha...
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Sead Silajdzic

javascript

charts

chart.js

Votes: 0

Answers: 0

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