2 ms·
(it's lucky that all of the letters in "alert" can be found in "true" and "false", although "undefined", "NaN" and "[object Object]" could probably be used too.
by mattdw 13y ago
(it's lucky that all of the letters in "alert" can be found in "true" and "false", although "undefined", "NaN" and "[object Object]" could probably be used too.)