javascript - imgNotes mousewheel scroll change -

i used plugin https://github.com/waynegm/imgnotes in project.

in project when mouse wheel rolling down , zooming image want change this.

i want google maps when roll mouse wheel , zoom in image , rool mousewheel down zoom out

change line in imgviewer.min.js make f.options.zoom -= b * f.options.zoomstep, f.update() f.options.zoom += b * f.options.zoomstep, f.update()