Reduced script transport

src/ajax/script.js

@@ -14,71 +14,45 @@ jQuery.ajaxSetup({
	}
});

// Handle cache's special case and global
// 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";
		s.global = false;
	}
});

// Bind script tag hack transport
jQuery.ajaxTransport( "script", function(s) {

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

		var script,
			head = document.head || jQuery("head")[0] || document.documentElement;

		var callback;
		return {

			send: function( _, callback ) {

				script = document.createElement("script");

				script.async = true;

				if ( s.scriptCharset ) {
					script.charset = s.scriptCharset;
				}

				script.src = s.url;

				// Attach handlers for all browsers
				script.onload = script.onreadystatechange = function( _, isAbort ) {

					if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {

						// Handle memory leak in IE
						script.onload = script.onreadystatechange = null;

						// Remove the script
						if ( script.parentNode ) {
							script.parentNode.removeChild( script );
			send: function( _, complete ) {
				callback = function( type ) {
					return function() {
						callback = script.onload = script.onerror = null;
						jQuery( script ).remove();
						if ( type ) {
							complete( type === "success" ? 200 : 404, type );
						}

						// Dereference the script
						script = null;

						// Callback if not abort
						if ( !isAbort ) {
							callback( 200, "success" );
						}
					}
					};
				};

				// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
				// Use native DOM manipulation to avoid our domManip AJAX trickery
				head.insertBefore( script, head.firstChild );
				var script = jQuery.extend( document.createElement("script"), {
						async: true,
						charset: s.scriptCharset,
						src: s.url,
						onload: callback("success"),
						onerror: callback("error")
					});
				callback = callback();
				document.head.appendChild( script );
			},

			abort: function() {
				if ( script ) {
					script.onload( undefined, true );
				if ( callback ) {
					callback();
				}
			}
		};