My-JS-Project/Functions in JS.html at master · DevangKamal/My-JS-Project · GitHub

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<!DOCTYPE html>
<html lang="en">
    <head>
        <title> Functions in JS</title>
    </head>
    <body>
        <h1>Functions in JavaScript</h1>
        <p>Here we are discuss about the some function ...syntax</p>
        <p> Simply starts with product of the two variables 4, 3 is</p>
        <p id="demo1"></p>
        <p id="demo2"> Here the product of two numbers a and b</p>
            <!-- simple function ....here we call and print the operation on it  -->
            <script>
                function myFunction(p1, p2) {
                    return p1*p2 ;
                }
                document.getElementById("demo1").innerHTML = myFunction(4, 3);
            </script>

            <!-- Product of the two numbers 5 and 20 .. -->
            <script>
                var x = myFunction(5, 20) ;
                document.getElementById("demo2").innerHTML = x;

                function myFunction(a, b) {
                    return a * b ;
                }
                 </script>
                          <p id="demo3"  ></p>
                            <!-- Functions as the variables for the other function -->
                    <script>
                        document.getElementById("demo3").innerHTML = "The temperature is " + toCelsuis(77) + "Celsius";

                        function toCelsuis(fahrenheit) {
                            return (5/9) * (fahrenheit-32) ;
                        }
                    </script>

        </body>
</html>