<html><body><form action="https://www.w3schools.com/action_page.php"> Password: <input type="password" id="myPsw" name="usr_psw"> <input type="submit"></form><p>Click the "Try it" button to set the required property for the password field.</p><p><strong>Tip:</strong> Click the "Submit" button before and after you have clicked the "Try it" button, to see the effect.</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { document.getElementById("myPsw").required = true; document.getElementById("demo").innerHTML = "The required property was set. The password field must now be filled out before submitting the form.";}</script></body></html>