define( [

  	"../core",

  	"../var/document",

  	"../ajax"

  ], function( jQuery, document ) {
  
  "use strict";
  
  // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
  jQuery.ajaxPrefilter( function( s ) {
  	if ( s.crossDomain ) {
  		s.contents.script = false;
  	}
  } );

  
  // Install script dataType

  jQuery.ajaxSetup( {

  	accepts: {

  		script: "text/javascript, application/javascript, " +
  			"application/ecmascript, application/x-ecmascript"

  	},
  	contents: {

  		script: /\b(?:java|ecma)script\b/

  	},
  	converters: {
  		"text script": function( text ) {
  			jQuery.globalEval( text );
  			return text;
  		}
  	}

  } );

  // Handle cache's special case and crossDomain

  jQuery.ajaxPrefilter( "script", function( s ) {
  	if ( s.cache === undefined ) {
  		s.cache = false;
  	}
  	if ( s.crossDomain ) {
  		s.type = "GET";

  	}

  } );

  
  // Bind script tag hack transport

  jQuery.ajaxTransport( "script", function( s ) {

  
  	// This transport only deals with cross domain requests
  	if ( s.crossDomain ) {

  		var script, callback;

  		return {

  			send: function( _, complete ) {
  				script = jQuery( "<script>" ).prop( {
  					charset: s.scriptCharset,
  					src: s.url
  				} ).on(
  					"load error",
  					callback = function( evt ) {
  						script.remove();
  						callback = null;
  						if ( evt ) {
  							complete( evt.type === "error" ? 404 : 200, evt.type );

  						}
  					}

  				);

  				// Use native DOM manipulation to avoid our domManip AJAX trickery

  				document.head.appendChild( script[ 0 ] );

  			},

  			abort: function() {

  				if ( callback ) {
  					callback();

  				}
  			}
  		};
  	}

  } );

  } );