write a code for aurthonage in html and javascript with database connectivity

var age = prompt("What is your age?");

if (Number(age) < 18) {
  alert("Sorry, you are too yound to drive this car. Powering off");
} else if (Number(age) > 18) {
  alert("Powering On. Enjoy the ride!");
} else if (Number(age) === 18) {
  alert("Congratulations on your first year of driving. Enjoy the ride!");
}