++[[]][+[]]+[+[]]
===
index
jsfuck
code
code (wrapped)
edit
explain 0
explain ''
explain (result)
a
undefined (reminder)
undefined (reminder 0)
undefined (reminder undefined)
plusplus (reminder)
two (reminder)
undefiend string (reminder)
d (reminder)
code (reminder)
function
function-underline
code (reminder, function)
full-reminder
question