When scolling i get a console error.

3 posts, 0 answers
  1. Trisha
    Trisha avatar
    2 posts
    Member since:
    Feb 2018

    Posted 07 Aug 2018 Link to this post

    [Intervention] Unable to preventDefault inside passive event listener due to target being treated as passive. See  https://www.chromestatus.com/features/5093566007214080. I get 1 error message for every pixel the grid scrolls. 

     

    What causes this and how can i prevent it?

  2. Rumen
    Admin
    Rumen avatar
    14386 posts

    Posted 10 Aug 2018 Link to this post

    Hello Trisha,

    You are the first to report this error for RadGrid. Can you please help us to reproduce the problem? 

    Which version of RadGrid do you use:

    If the RenderMode is set to Auto, the control will automatically choose a render mode depending on the client device.

    Are you able to reproduce the scrolling error in any of the live demos and how, please provide steps and instructions of how to do that.

    Please, make sure that you are also testing with the latest version of Telerik.Web.UI.dll which is 2018.2.710.


    Best regards,
    Rumen
    Progress Telerik
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  3. Rumen
    Admin
    Rumen avatar
    14386 posts

    Posted 10 Aug 2018 Link to this post

    Just a quick follow-up.

    I was able to reproduce the error by switching the Chrome browser in Mobile mode in DevTools and scrolling the grid content with a tap by the mouse as shown in the attached video.

    It is important to add that the scroll relies on jQuery, which still has not provided support for the passive event listeners, even in its latest ver. 3.3.1 (of the time of replying this forum).

    I logged the problem for further investigation and updated your Telerik points. You can subscribe for it bug report item and follow it at [Intervention] Unable to preventDefault inside passive event listener due to target being treated as passive error when scrolling in Chrome.

    Regards,
    Rumen
    Progress Telerik
    Get quickly onboarded and successful with your Telerik and/or Kendo UI products with the Virtual Classroom free technical training, available to all active customers. Learn More.
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