JasonDeving/revealing-prototype-pattern

## revealing-prototype-pattern
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Revealing Prototype Pattern</title>
	<script>
	window.onload = function () {
		var calc = new Calculator('Output');
		calc.add(2,2);
		calc.subtract(2,2);
	}
	</script>
</head>
<body>
	<div id="Output"></div>

	<script>
	// constructor
	var Calculator = function(eq) {
		// state goes here
		this.eqCtl = document.getElementById(eq);
	}

	Calculator.prototype = function() {
		//private members
		var add = function(x,y) {
			  this.eqCtl.innerHTML = x + y;
			},
			subtract = function (x,y) {
			  alert(x - y);
			}

		//public members
		return {
			add: add,
			subtract: subtract
		};
	}();
	</script>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Revealing Prototype Pattern</title>
	<script>
	window.onload = function () {
	var calc = new Calculator('Output');
	calc.add(2,2);
	calc.subtract(2,2);
	}
	</script>
	</head>
	<body>
	<div id="Output"></div>

	<script>
	// constructor
	var Calculator = function(eq) {
	// state goes here
	this.eqCtl = document.getElementById(eq);
	}

	Calculator.prototype = function() {
	//private members
	var add = function(x,y) {
	this.eqCtl.innerHTML = x + y;
	},
	subtract = function (x,y) {
	alert(x - y);
	}

	//public members
	return {
	add: add,
	subtract: subtract
	};
	}();
	</script>
	</body>
	</html>