x
<html><body><h2>JavaScript if .. else</h2><p>A time-based greeting:</p><p id="demo"></p><script>const time = new Date().getHours();let greeting;if (time < 10) { greeting = "Good morning";} else if (time < 20) { greeting = "Good day";} else { greeting = "Good evening";}document.getElementById("demo").innerHTML = greeting;</script></body></html>