Proposed script to facilitate but isolate testing of vendor-prefixed features
clean up tabs and trailing whitespaces
expanding list of prefixes to try per https://critic.hoppipolla.co.uk/showcomment?chain=2374
factoring list of vendor prefixes
using multi-line comments for readability
replacing doc variable with more explicit name
use multi-line if
remove spurrious console.log
s/Webkit/WebKit/ for capitalized prefix
throw error on attempting to set prefix on undefined ancestor
Merge pull request #633 from dontcallmedom/vendor-prefix-support

Proposed script to facilitate but isolate testing of vendor-prefixed features