validiation.html

<html>
    <head>
        <title>validiation in javascript</title>
        <script type="text/javascript">
        function validate()
        {
            var username=document.getElementById("uname");
            var password=document.getElementById("pass");
            if(username.value.trim()==""||password.value.trim()=="")
            {
                alert("no blank value allowed");
                return false;
            }
            else
            {
                return true;
            }
        }    
        </script>
    </head>
    <body>
        <form onsubmit="return validate()"
        action="message1.html">
        <input id="uname" placeholder="username" type="text" required/><br><br>
        <input id="pass"  placeholder="password" type="password" required/><br><br>
        <button onclick="validate()"
         type="submit">submit</button>
        </form>
        </body>
        </html>




