jquery - Difference between $.ajax(); and $.ajaxSetup(); -

what difference between $.ajax(); , $.ajaxsetup(); in jquery in:

$.ajax({     cache:false });

and

$.ajaxsetup({     cache:true });

also, 1 best option?

the following prevent all future ajax requests being cached, regardless of jquery method use ($.get, $.ajax, etc.)

$(document).ready(function() {   $.ajaxsetup({ cache: false }); });

you should use $.ajax, allow turn caching off for that instance:

$.ajax({url: "myurl", success: mycallback, cache: false});

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