Suppose you want to set a prefilter for ajax calls of all dataTypes, and after that only for some datatypes.

I expect the prefilters to run in the order I supply them, but prefilters with the dataTypes argument set run first.

jQuery.ajaxPrefilter(function(){
  console.log(1);
});

jQuery.ajaxPrefilter('text', function(){ // or any combination of dataTypes
  console.log(2)
});

// log:
// 2
// 1

Setting '*' as the dataType on the first function does not solve the problem. Instead you must manually enter all possible dataTypes: 'text html json xml script jsonp'