Function that converts numbers to dollar amounts

to-dollars

/*jshint devel:true */
(function(){
	"use strict";
	var toDollarAmount = function toDollarAmout(amount, returnAsString){
		var ret;
		if ( 'number' !== typeof amount ){
			return false;
		}
		ret = amount.toFixed(2);
		return ( returnAsString ) ? '$' + ret : +ret;
	};
	console.log( toDollarAmount( 5.12341234 ) );
	console.log( toDollarAmount( 10, true ) );
	console.log( toDollarAmount( 0.129, true ) );
})();