Описание тега jquery-migrate

NoneJ Query Migrate can be used to detect and restore APIs, features or functionality that have been deprecated in jQuery and removed as of version 1.9.

J Query Migrate can be used to detect and restore APIs, features or functionality that have been deprecated in jQuery and removed as of version 1.9. They include:

jQuery.browser 
jQuery.fn.andSelf() 
jQuery.sub() 
jQuery.fn.toggle()  (_event click signature only_)
"hover" pseudo-event name 
jQuery.fn.error()
ajaxStart, ajaxSend, ajaxSuccess, ajaxError, ajaxComplete, ajaxStop global events on non-document targets
Use of attrChange, attrName, relatedNode, srcElement on the Event object (use Event.originalEvent.attrChange etc. instead)
jQuery.fn.attr() using the pass argument 
jQuery.attrFn object 
jQuery.fn.data() data events
jQuery.fn.data("events") to retrieve event-related data