Javascript Is Defined tweets

In JavaScript, I have var app = {}; defined in one file, is there a way I can add to it, like app.something = {} from another file?
http://twitter.com/PaulAdamDavis
9 years ago

"jsSHA" jsSHA is a JavaScript implementation of the entire family of SHA hashes as defined ... #javascript #encryption http://t.co/aMuwLK75
http://twitter.com/russianator
9 years ago