Java Script Was Designed in Like Ten Days, and That Was the First Draft

There's this famous claim that java script was designed in like ten days or something like that. I'd be curious to know if there's substantiation or refutation of that out there somewhere. Just t ask people, brendon i is on twitterney's activatory. Youcon just message him, say, k, is this true? When he'll be able to say, yes, it is, or no. It isn't.