web-design-itv/forms.html at master · mavrick08/web-design-itv · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Forms Example</title>

    <script>
        function validateFormExample(){
            //let name = document.forms['myform']['fname'].value;
            let name = document.getElementById('f_name').value;
            if (name == ""){
                alert('Name is not filled Try Again');
                return False;
            }

            else{
                alert(name);
            }
        }
    </script>

</head>
<body>

    <form name="myform" action="demo.php" onsubmit="validateFormExample()" method="post">
        Name:<input type="text" name="fname" id="f_name">

        <input type="submit" value="Submit">

    </form>


</body>
</html>