In this article I will show you how to declare and use a function in Javascript. A function or method in other programming language like in Java is a module design to return a value. In our example I wrote a function named addition with two passing parameters that will be compute by our function.
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Sample Program Output
Program Listing
<html>
<head>
<title> Function in JavaScript</title>
<head>
<body>
<script>
function addition(a, b) {
return a + b;
}
var sum = addition(10+5,5);
alert("The total sum is " + sum + ".");
</script>
</body>
</html>
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