JS propaganda for java devs

 
@param {type} name  // describe a parameter
@optional //  to say argument 'name' doesn't need to be defined
@return {type} // define what a function should return (omit for void funcs)
@const // declare that a value should not be reassigned to
@deprecated // declare that a function shouldn't be used any more
@constructor // declare constructor
@interface // declare interface
@implement name // declare implementing an interface
@extends name // declare extending a class
@param {String|Number} name // define a param as a String or number
@param {{myNum: number, kitten: String}} config // define a param as obj literal
@param {!Object} name // describe a parameter as being non-nullable object