hover.html 678 Bytes
<!--https://www.w3schools.com/jquery/tryit.asp?filename=tryjquery_hover<!DOCTYPE html>
$("img").hover(function(){
  $("img").attr("width", "500");
  },
  function(){
  $("img").attr("width", "284");
  });
  -->
<html>
<head>
  <title>Home</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("#p1").hover(function(){
        alert("You entered p1!");
        $("#p2").text("1234");
        alert($("#p1").attr(value));
    },
    function(){
        alert("Bye! You now leave p1!");
    });
});
</script>
</head>
<body>

<p id="p1">This is a paragraph.</p>
<p id="p2"></p>
</body>
</html>