Area of a parallelogram

        
<!DOCTYPE html>
<html>
    <head>
        <title>Area of a parallelogram</title>
    </head>
    <body>
<h3>Area of a parallelogram</h3>
        <form name="f1">
    Enter the height:- <input type="number" name="n1"><br>
    Enter the base:- <input type="number" name="n2" ><br>
    <input type="submit" value="Calculate" onclick="area()">
    <input type="reset" value="Clear" alt="Clear the search form"><br>
    Area :- <input type="number" name="n3" readonly>
    </form>
    <script type="text/javascript">
    function area(){
        event.preventDefault();
        var h,b,a;
        h = f1.n1.value;
        b = f1.n2.value;
        a = h*b;
        f1.n3.value = ""+a;
        }
    </script>
    </body>
</html>
Area of a parallelogram

Go back