Another workaround is to assign a data url to the image tag, then replace the source with javascript. Something like <img src="data:image/gif;base64,R0lGODlhAQ

Another workaround is to assign a data url to the image tag, then replace the source with javascript. Something like <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">