labexam02.html

<!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>Form Validation</title>
</head>
<body>
    

    <h2>Form Validation Example</h2>

<form name="myForm">  
  Username:   <input type="text" name="id" id="user"> <br><br>
  Password:   <input type="password" name="name" id="pass">
  <br><br>
  <input type="submit" name="submit" value="Submit" onclick="return validateForm()">  
</form>

<script>
    function validateForm() {
        let x = document.getElementById("user").value;
        let y =document.getElementById("pass").value;
        if (x == "" || y == "" ) {
          alert("Name must be filled out");
          alert("Password is required");
          return false;
        }
     else{
        return true ;
     }
      
      }
</script>
</body>
</html>