Canvas handling event, then passing through to iframe…?
问题 Despite searching all evening, I still haven't found a solution to this. I have the following layout in the DOM: <div class="kort_miðja_úti"> <iframe class="kort_miðja" frameborder="0" width="100%" height="100%" src="...."></iframe> <canvas class="kort_canvas"></canvas> </div> The canvas is in front, acting as a transparent overlayer on an interactive map from a different site. So when there's a mouse event, it gets it first. It needs to do things on the mouse events, then forward them on to