Count Total list Items or Events before saving Calendar Event

Feb 10, 2014 at 11:31 AM
     * I am very new to SharePoint and now I am very eager to work with Jquery.I had seen many posts which made Jquery easy to work .

     * I have a task on SharePoint Calendar,To Show total list items (Events) of the calenders before saving the event
Can any one help me how can I solve this