I created a canvas element where I can draw paths. There, I draw transparent paths and I "scratch" reveal the foreground. It works on both mobile and desktop.
livenessprobe
objectid
jpg2000
apache-xml-graphics
dynamic-html
virtualscroll
spout
azure-virtual-machine
noip
twincat
loop-device
color-mapping
dynamics-crm-webapi
git-history-graph
libc++
opengl-es-3.0
msal.js
pythonanywhere
memory-management
textkit
avplayer
rman
grails-orm
simics
stackexchange.exceptional
marketplace
event-handling
fflush
opensearchdescription
android-styles