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.
pass-by-value
dom7
bitconverter
graaljs
owner
openerp-8
accordionpane
jbig2
win-universal-app
magnet-uri
objectoutputstream
lmfit
in-app-events
dataverse
i2c
multiple-tables
xmlspy
nscollectionlayoutsection
breakpoints
countdownjs.js
tailscale
tools.jar
reverse-geocoding
android-instant-apps
angular-compiler
complex-networks
testthat
datawedge
sharepoint-2010
screencast