W3Schools Tryit Editor

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    $("#div1").delay("slow").fadeIn();
    $("#div2").delay("fast").fadeIn();
    $("#div3").delay(800).fadeIn();
    $("#div4").delay(2000).fadeIn();
    $("#div5").delay(4000).fadeIn();
  });
});
</script>
</head>
<body>

<p>This example sets different speed values for the delay() method.</p>
<button>Click to fade in boxes with a delay</button>
<br><br>

</body>
</html>