Home forums Chart Support OffScreenCanvas

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    Hi there, Im having a big problem with performance. Im connected with websocket which sends data each second (actually 3 or 4 new data each second), and i use chart.render() every time i get a new value.
    The problem comes when wesocket send a huge amount of data or if i let the tab in background ( that means that chart.render() is called multiple times while is in background ) and when i return to tab, the app needs to wait to all that render() calls and the website freezes.

    I was looking for some solution, and i get workers and OffScreenCanvas, but i found nothing about that in your docs, is there any option to render in background or offscreen??

    Im using Vuejs and canvajs.min.js



    The dynamic chart seems to be working fine at our end even for longer durations.

    Can you kindly create a sample project reproducing the issue you are facing and share it with us over Google-Drive or Onedrive along with the sample data so that we can run the code locally at our end, look into the chart-options being used by you and help you out?

    Shashi Ranjan
    Team CanvasJS

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