javascript - Offscreencanvas illegal constructor -


i'm testing new offscreen canvas in firefox, , haven't trouble asynchronous offscreen canvas in web workers (gfx.offscreencanvas enabled), when try first example, illegal constructor error in offscreencanvas constructor:

var offscreen = new offscreencanvas(256, 256);

here example. i'm using firefox 44 on ubuntu 15.10.

offscreencanvas has basic support since version 44 of firefox offscreencanvas constructor has support since version 46 of firefox


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