petyosi/index.html

## index.html
<html>
<head>
    <script src="src/sum.js"></script>
    <script src="src/multiply.js"></script>
    <script src="src/index.js"></script>
</head>
</html>

## index.js
var totalMultiply = multiply(5, 3);
var totalSum = sum(5, 3);
console.log('Product of 5 and 3 = ' + totalMultiply);
console.log('Sum of 5 and 3 = ' + totalSum);

## multiply.js
var multiply = function (a, b) {
    var total = 0;
    for (var i = 0; i < b; i++) {
        total = sum(a, total);
    }
    return total;
};

## sum.js
var sum = function (a, b) {
    return a + b;
};
	<html>
	<head>
	<script src="src/sum.js"></script>
	<script src="src/multiply.js"></script>
	<script src="src/index.js"></script>
	</head>
	</html>
	var totalMultiply = multiply(5, 3);
	var totalSum = sum(5, 3);
	console.log('Product of 5 and 3 = ' + totalMultiply);
	console.log('Sum of 5 and 3 = ' + totalSum);
	var multiply = function (a, b) {
	var total = 0;
	for (var i = 0; i < b; i++) {
	total = sum(a, total);
	}
	return total;
	};