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

when .noConflict() is called, selector like $('') is no longer working to ensure compatibility with other framework such as Prototype. at that time jQuery('') is used instead.

Reference: jQuery.noConflict()

To better illustrate the idea, here is an example obtained from the reference link: