_.toNumber() #underscore #mixin #cc

underscore.toNumber.js

_.mixin({
	// `toNumber` takes a value given as `numeric` parameter and tries to turn it into a number.
	// If it is not possible it returns 0 (or other value given as `fallback`).
	toNumber : function (numeric, fallback) {
		return isNaN(numeric) ? (fallback || 0) : Number(numeric);
	}
});