JavaScript Default Operator Prototyping

README.md

This is an example proposal for: http://wiki.ecmascript.org/doku.php?id=strawman:default_operator

strawman.js

var prepareDrink = function(what,times){
	// Prepare arguments
	what ||= "martini";
	times ?= 3;

	// Prepare the drink
	if ( opts.times === 0 ) {
		console.log("You like your "+what+" stirred, not shaken");
	}
	else {
		console.log("You like your "+what+" shaken "+times+" times, not stirred");
	}
}

prepareDrink();
// ^ You like your martini shaken 3 times, not stirred

prepareDrink(0, 0);
// ^ You like your martini stirred, not shaken

prepareDrink("smoothie", 500);
// ^ You like your smoothie shaken 500 times, not stirred