eval&Function

[837951602]

alert(1) is [].filter.constructor('return alert')()(1)
/./ is [].filter.constructor('return eval')()('/./')
Why not [].filter.constructor('return/./')()?
({}) is [].filter.constructor('return eval')()('({})'),
not [].filter.constructor('return{}')()

[837951602]

2*!a 23446c
[].filter.constructor('return 2*arguments[0]')(!a) 18108c

[837951602]

f(a,b) 5012
!f(a,b) 15611