jquery noconflict

                                    var jq = $.noConflict();            // avoid conflict with other frameworks also using the dollar sign
jq(document).ready(function(){
jq("#demo").text("Hello World!");
});

                                    // Do something with the new jQuery
dom.query( "div p" ).hide();
 
// Do something with another library's $()
$( "content" ).style.display = "none";
 
// Do something with another version of jQuery
jQuery( "div > p" ).hide();