Functions with Return Value tutorial in JavaScript

 <!DOCTYPE html>

<html lang="en">

<html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Functions with Return Value</title>
<script>
    function fullname(fname = "Ram", lname = "Charan") {
        var a = fname + " " + lname;
        return a;
    }
    var fn = fullname("Hello", "World<br>");
    document.write(fn);

    function sum(maths, english, science) {
        var s = maths + english + science;
        return s;
    }

    function percentage(tt) {
        var per = tt / 300 * 100;
        document.write(per);
    }
    var total = sum(55, 65, 75);
    percentage(total);
</script>

</html>

<body>
</body>

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