OriginUnknown/ChainOfResponsibility2.html

## ChainOfResponsibility2.html
<!doctype html>

<html lang="en">
<head>
    <title>Chain of Responsibility pattern - Cash Machine Scenario</title>
</head>

<body>
<script type="text/javascript">
    var ATM = (function(){
        var self = {}, _log = "", _amount = "",
                Note = function ( note ) {
                    var successor = null, numOfNotes,
                            setSuccessor = function ( nextInChain ) {
                                successor = nextInChain || null;
                            },
                            handleRequest = function ( amount ) {
                                if ( (amount % 5) === 0 ) {//check that the amount requested is divisible by 5
                                    numOfNotes = Math.floor( amount / note );//find out the number of notes to dispense
                                    if ( numOfNotes > 0 ) {//if there's any notes to dispense
                                        _log += "Number of \u00A3" + note + " notes dispensed: " + numOfNotes + "\n";
                                        amount -= (numOfNotes * note);//deduct the amount the number of bills dispensed equates to from the amount passed in
                                    }
                                    if ( amount > 0 && successor ) {//if there's still money to dispense and a handler defined as next in the chain, pass the request on
                                        successor.dispense( amount );
                                    } else {
                                        console.log("You've requested \u00A3" +_amount.toString());
                                        console.log( _log );
                                        console.log( "Your request is complete." );
                                        _log = "", _amount = "";//reset the _log and _amount variables
                                    }
                                } else {//if the amount requested isn't divisible by 5
                                    console.log( "It has not been possible to dispense \u00A3" + amount + " from this cash machine." );
                                }
                            };
                    return {
                        "setSuccessor": setSuccessor,
                        "dispense": handleRequest
                    }
                },
        //Initialise the Note class for the relevant notes that will be dispensed
                fifty = Note(50), twenty = Note(20), ten = Note(10), five = Note(5);

        //Organise the chain of responsibility
        fifty.setSuccessor( twenty );
        twenty.setSuccessor( ten );
        ten.setSuccessor( five );

        //return public interface
        self.amount = function(request){
            _amount = request;
            fifty.dispense(request);
        };
        return self;
    })();

    console.log(ATM.amount(235));
    console.log(ATM.amount(450));
    console.log(ATM.amount(124));
    console.log(ATM.amount(775));

</script>
</body>
</html>
	<!doctype html>

	<html lang="en">
	<head>
	<title>Chain of Responsibility pattern - Cash Machine Scenario</title>
	</head>

	<body>
	<script type="text/javascript">
	var ATM = (function(){
	var self = {}, _log = "", _amount = "",
	Note = function ( note ) {
	var successor = null, numOfNotes,
	setSuccessor = function ( nextInChain ) {
	successor = nextInChain \|\| null;
	},
	handleRequest = function ( amount ) {
	if ( (amount % 5) === 0 ) {//check that the amount requested is divisible by 5
	numOfNotes = Math.floor( amount / note );//find out the number of notes to dispense
	if ( numOfNotes > 0 ) {//if there's any notes to dispense
	_log += "Number of \u00A3" + note + " notes dispensed: " + numOfNotes + "\n";
	amount -= (numOfNotes * note);//deduct the amount the number of bills dispensed equates to from the amount passed in
	}
	if ( amount > 0 && successor ) {//if there's still money to dispense and a handler defined as next in the chain, pass the request on
	successor.dispense( amount );
	} else {
	console.log("You've requested \u00A3" +_amount.toString());
	console.log( _log );
	console.log( "Your request is complete." );
	_log = "", _amount = "";//reset the _log and _amount variables
	}
	} else {//if the amount requested isn't divisible by 5
	console.log( "It has not been possible to dispense \u00A3" + amount + " from this cash machine." );
	}
	};
	return {
	"setSuccessor": setSuccessor,
	"dispense": handleRequest
	}
	},
	//Initialise the Note class for the relevant notes that will be dispensed
	fifty = Note(50), twenty = Note(20), ten = Note(10), five = Note(5);

	//Organise the chain of responsibility
	fifty.setSuccessor( twenty );
	twenty.setSuccessor( ten );
	ten.setSuccessor( five );

	//return public interface
	self.amount = function(request){
	_amount = request;
	fifty.dispense(request);
	};
	return self;
	})();

	console.log(ATM.amount(235));
	console.log(ATM.amount(450));
	console.log(ATM.amount(124));
	console.log(ATM.amount(775));

	</script>
	</body>
	</html>