I use ArcGIS API for JS 4.0 but I didn't find a widget to add a scalebar to my web application. So, I tried to use ArcGIS API for JS 3.16 which has a scalebar widget, but I don't know if it's a good idea to mix these different versions.

1 Answer 1


You can't mix the 3.16 scalebar into a 4.0 app.

You could either make your own scalebar or wait the for ScaleBar widget to be part of a future 4.x release. - See https://developers.arcgis.com/javascript/latest/guide/functionality-matrix/index.html

  • Thank you for your answer. I will try to create my own scalebar.
    – ndidi
    Jun 21, 2016 at 10:02
  • I'm not moving to JS 4.x until some of the planned widgets have been completed. Don't want to spend time reinventing the wheel.
    – iCode
    Jan 21, 2017 at 2:59

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