// jun this in you console:

([]+{}+[])[!!{}+![]]+([]+
{}+[])[!!{}+!![]]+(!{}+[]
)[!{}+![]]+([][{}]+[])[!{
}+![]]+(!{}+[])[![]+!!{}+
!!{}+!![]]+({}+{})[(!!{}+
!![])*(!!{}+!![])+!!{}]+(
{}-{}+[])[!!{}+![]]+([]+!
!{})[!{}+![]]+([]+!!{})[!
[]+!!{}+!!{}+!![]]+([][{}
]+[])[![]+!!{}+!![]] // !