+ json: "application/json, text/javascript",
+ "*": "*/*"
+ },
+
+ autoDataType: {
+ xml: /xml/,
+ html: /html/,
+ json: /json/
+ },
+
+ // Prefilters
+ // 1) They are useful to introduce custom dataTypes (see transport/jsonp for an example)
+ // 2) These are called:
+ // * BEFORE asking for a transport
+ // * AFTER param serialization (s.data is a string if s.processData is true)
+ // 3) key is the dataType
+ // 4) the catchall symbol "*" can be used
+ // 5) execution will start with transport dataType and THEN continue down to "*" if needed
+ prefilters: {},
+
+ // Transports bindings
+ // 1) key is the dataType
+ // 2) the catchall symbol "*" can be used
+ // 3) selection will start with transport dataType and THEN go to "*" if needed
+ transports: {},
+
+ // Checkers
+ // 1) key is dataType
+ // 2) they are called to control successful response
+ // 3) error throws is used as error data
+ dataCheckers: {
+
+ // Check if data is a string
+ "text": function(data) {
+ if ( typeof data != "string" ) {
+ jQuery.error("typeerror");
+ }
+ },
+
+ // Check if xml has been properly parsed
+ "xml": function(data) {
+ var documentElement = data ? data.documentElement : data;
+ if ( ! documentElement || ! documentElement.nodeName ) {
+ jQuery.error("typeerror");
+ }
+ if ( documentElement.nodeName == "parsererror" ) {
+ jQuery.error("parsererror");
+ }
+ }
+ },
+
+ // List of data converters
+ // 1) key format is "source_type => destination_type" (spaces required)
+ // 2) the catchall symbol "*" can be used for source_type
+ dataConverters: {
+
+ // Convert anything to text
+ "* => text": function(data) {
+ return "" + data;
+ },
+
+ // Text to html (no transformation)
+ "text => html": function(data) {
+ return data;
+ },
+
+ // Evaluate text as a json expression
+ "text => json": jQuery.parseJSON,
+
+ // Parse text as xml
+ "text => xml": function(data) {
+ var xml, parser;
+ if ( window.DOMParser ) { // Standard
+ parser = new DOMParser();
+ xml = parser.parseFromString(data,"text/xml");
+ } else { // IE
+ xml = new ActiveXObject("Microsoft.XMLDOM");
+ xml.async="false";
+ xml.loadXML(data);
+ }
+ return xml;
+ }