Difference between jquery and $

Question

I did heavy use of jquery on my php project. But on some page the $ is not working, so I have to use jquery. For example:

jQuery(\'#mycarousel\'         


        

Answer 1

$.ajax({
    url: 'Emp.asmx/getDesignation',
    type:'post',
    contentType: 'application/json;charset=utf-8',
    dataType: 'json',
    data: "{}",
    aync: false,