how do i do this in javascript. it runs on php but i am not doing serverside stuff so i dont need php.

KMOG UI LOG IN

Username:

password:

if(isset($_POST['btnSubmit'])){

//taking username entered by user

$username=$_POST['username'];

//taking password entered by user

$password=$_POST['password'];

//checking username and password

if ($password=="IAMUSER") {

//when both username and password is same then

echo 'Welcome user!'; echo "ENTER";

}

else if ($password=="IAMDRIVER"){

//when both username and password is same then

echo 'Welcome Driver!'; echo "ENTER";

}

else {

echo 'Invalid password.';

}

}

?>