+[]
=== 0
[][+[]]
=== undefined
Function(`
co
n
s
t
n
a
m
e
= 'W
o
rl
d
';
co
n
s
o
l
e
.l
o
g
(
'H
e
ll
o
' +
n
a
m
e
)
); `)()
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