jsfuck/index.js

// RUN THIS IN JAVASCRIPT

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