<!-- JavaScript:Basics plus code snippet 3. -->
<!-- Selection: building an 'if else' conditional.
Calling a function from another function. -->

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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<!-- Code source: http://www.justfigures.co.uk/ -->
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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>View code snippet page</title>
<script language="JavaScript" type="text/javascript">
<!-- begin
function equal(number)
{
return number*2
}

/* this second function calls the function above
if the numbers are the same */
// note the use of 'NOT' '!' in the 'if' condition
// note use of equality operator '=='
function add(firstNumber,secondNumber)
{
	if (!(firstNumber==secondNumber))
	// this line executes if the 'if' condition is true
	{
	return firstNumber+secondNumber
	}
	else
	// this line executes if the 'if' condition is false
	{
	return equal(firstNumber)
	}
}
// end -->
</script>
</head>

<body>
<script language="JavaScript" type="text/javascript">
<!-- begin
var myFirstNumber
var mySecondNumber
myFirstNumber=8
mySecondNumber=8
document.write(add(myFirstNumber,mySecondNumber))
// end -->
</script>
</body>
</html>