Code works in jsfiddle but not online

Code works in jsfiddle but not online

                             <h3><a href=" http://www.bestorlandovacationpackages.com/Item/Westgate-Town-Center-Timeshare-Resort-Promotions-Disney-World-Tickets">Westgate Town Center Promotion with FREE Disney World Tickets</a></h3>

                            <p>Enjoy a fantastic stay at a timeshare resort just 1 mile from the main entrance to Walt Disney World. Amenities include: mini golf, a large number of pools and paddle boats to name just a few.</p>
                            <button class="btn btn-sm btn-success">Get More Info</button>
                        </div>
                        <div class="col-sm-4">
                            <img src="images/Westgate-Town-Center-Entrance-Balcony.jpg" class="img-responsive" alt="Westgate Town Center Promotion">
                        </div>
                    </div>

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  $("button").on("click", function(){
    var message = $("<span>Call 877-245-4130 to book this package</span>");
    $(this).after(message);
    $(this).remove();
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});