Passing objects to a web worker

Question

I\'m trying to pass an object to a web worker through the postMessage function.
This object is a square that has a couple of functions to draw himself on a canvas and so

Answer 1

Some type of objects like ArrayBuffer and ImageBitmap which have the Transferable interface implementet and can be transfered without copy the Object.

Thats very usefull in Context of Canvas + Web worker cause you can save the time of copy the data between the threads.