Tryit Editor v1.7

Source Code:

Result:

<!DOCTYPE html>
<html>
<head>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js">
</script>
<script>
function alertMe()
{
alert("Hello World!");
}
$(document).ready(function(){
  $("p").click(alertMe);
  $("button").click(function(){
    $("p").unbind("click",alertMe);
  });
});
</script>
</head>
<body>

<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<p>Click any p element to trigger an alert box.</p>
<button>Remove the alert box function from the click event for the p elements</button>

</body>
</html>

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

W3Schools.com - Try it yourself

Source Code:	Result:
<!DOCTYPE html> <html> <head> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"> </script> <script> function alertMe() { alert("Hello World!"); } $(document).ready(function(){ $("p").click(alertMe); $("button").click(function(){ $("p").unbind("click",alertMe); }); }); </script> </head> <body> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <p>Click any p element to trigger an alert box.</p> <button>Remove the alert box function from the click event for the p elements</button> </body> </html>
Edit the code above and click "Submit Code" to see the result.	W3Schools.com - Try it yourself