Tryit Editor v1.8

Source Code:

<!DOCTYPE html>
<html>
<head>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    var $x = $("div");
    $x.prop("color","FF0000");
    $x.append("The color property has the following value: " + $x.prop("color"));
    $x.removeProp("color");
    $x.append("<br>Now the color property has the following value: " + $x.prop("color"));
  });
});
</script>
</head>
<body>

<button>Add and remove a property</button>
<br><br>

<div></div>

</body>
</html>

Result:

W3Schools.com - Try it yourself

Edit the code above and click "Submit Code" to see the result.