2 // Keep a copy of the old load
5 load: function( url, params, callback ) {
6 if ( typeof url != 'string' )
7 return this._load( url );
9 var off = url.indexOf(" ");
11 var selector = url.slice(off, url.length);
12 url = url.slice(0, off);
15 callback = callback || function(){};
17 // Default to a GET request
20 // If the second parameter was provided
23 if ( jQuery.isFunction( params ) ) {
24 // We assume that it's the callback
28 // Otherwise, build a param string
29 } else if( typeof params == 'object' ) {
30 params = jQuery.param( params );
36 // Request the remote document
42 complete: function(res, status){
43 // If successful, inject the HTML into all the matched elements
44 if ( status == "success" || status == "notmodified" )
45 // See if a selector was specified
47 // Create a dummy div to hold the results
49 // inject the contents of the document in, removing the scripts
50 // to avoid any 'Permission Denied' errors in IE
51 .append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
53 // Locate the specified elements
56 // If not, just inject the full result
59 self.each( callback, [res.responseText, status, res] );
65 serialize: function() {
66 return jQuery.param(this.serializeArray());
68 serializeArray: function() {
69 return this.map(function(){
70 return jQuery.nodeName(this, "form") ?
71 jQuery.makeArray(this.elements) : this;
74 return this.name && !this.disabled &&
75 (this.checked || /select|textarea/i.test(this.nodeName) ||
76 /text|hidden|password/i.test(this.type));
78 .map(function(i, elem){
79 var val = jQuery(this).val();
80 return val == null ? null :
81 val.constructor == Array ?
82 jQuery.map( val, function(val, i){
83 return {name: elem.name, value: val};
85 {name: elem.name, value: val};
90 // Attach a bunch of functions for handling common AJAX events
91 jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
92 jQuery.fn[o] = function(f){
93 return this.bind(o, f);
101 get: function( url, data, callback, type ) {
102 // shift arguments if data argument was ommited
103 if ( jQuery.isFunction( data ) ) {
117 // Create the request object; Microsoft failed to properly
118 // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
119 getAjaxTransport : function() {
120 return window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
124 getScript: function( url, callback ) {
125 return jQuery.get(url, null, callback, "script");
128 getJSON: function( url, data, callback ) {
129 return jQuery.get(url, data, callback, "json");
132 post: function( url, data, callback, type ) {
133 if ( jQuery.isFunction( data ) ) {
147 ajaxSetup: function( settings ) {
148 jQuery.extend( jQuery.ajaxSettings, settings );
156 contentType: "application/x-www-form-urlencoded",
163 xml: "application/xml, text/xml",
165 script: "text/javascript, application/javascript",
166 json: "application/json, text/javascript",
172 // Last-Modified header cache for next request
175 ajax: function( s ) {
176 // Extend the settings, but re-extend 's' so that it can be
177 // checked again later (in the test suite, specifically)
178 s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
180 var jsonp, jsre = /=\?(&|$)/g, status, data,
181 type = s.type.toUpperCase();
183 // convert data if not already a string
184 if ( s.data && s.processData && typeof s.data != "string" )
185 s.data = jQuery.param(s.data);
187 // Handle JSONP Parameter Callbacks
188 if ( s.dataType == "jsonp" ) {
189 if ( type == "GET" ) {
190 if ( !s.url.match(jsre) )
191 s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
192 } else if ( !s.data || !s.data.match(jsre) )
193 s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
197 // Build temporary JSONP function
198 if ( s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre)) ) {
199 jsonp = "jsonp" + jsc++;
201 // Replace the =? sequence both in the query string and the data
203 s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
204 s.url = s.url.replace(jsre, "=" + jsonp + "$1");
206 // We need to make sure
207 // that a JSONP style response is executed properly
208 s.dataType = "script";
210 // Handle JSONP-style loading
211 window[ jsonp ] = function(tmp){
216 window[ jsonp ] = undefined;
217 try{ delete window[ jsonp ]; } catch(e){}
219 head.removeChild( script );
223 if ( s.dataType == "script" && s.cache == null )
226 if ( s.cache === false && type == "GET" ) {
228 // try replacing _= if it is there
229 var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
230 // if nothing was replaced, add timestamp to the end
231 s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
234 // If data is available, append data to url for get requests
235 if ( s.data && type == "GET" ) {
236 s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
238 // IE likes to send both get and post data, prevent this
242 // Watch for a new set of requests
243 if ( s.global && ! jQuery.active++ )
244 jQuery.event.trigger( "ajaxStart" );
246 // Matches an absolute URL, and saves the domain
247 var parts = /^(\w+:)?\/\/([^\/?#]+)/.exec( s.url );
249 // If we're requesting a remote document
250 // and trying to load JSON or Script with a GET
251 if ( s.dataType == "script" && type == "GET" && parts
252 && ( parts[1] && parts[1] != location.protocol || parts[2] != location.host )){
254 var head = document.getElementsByTagName("head")[0];
255 var script = document.createElement("script");
258 script.charset = s.scriptCharset;
260 // Handle Script loading
264 // Attach handlers for all browsers
265 script.onload = script.onreadystatechange = function(){
266 if ( !done && (!this.readyState ||
267 this.readyState == "loaded" || this.readyState == "complete") ) {
271 head.removeChild( script );
276 head.appendChild(script);
278 // We handle everything using the script element injection
282 var requestDone = false;
284 // Create the request object
285 var xhr = jQuery.getAjaxTransport();
288 // Passing null username, generates a login popup on Opera (#2865)
290 xhr.open(type, s.url, s.async, s.username, s.password);
292 xhr.open(type, s.url, s.async);
294 // Need an extra try/catch for cross domain requests in Firefox 3
296 // Set the correct header, if data is being sent
298 xhr.setRequestHeader("Content-Type", s.contentType);
300 // Set the If-Modified-Since header, if ifModified mode.
302 xhr.setRequestHeader("If-Modified-Since",
303 jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
305 // Set header so the called script knows that it's an XMLHttpRequest
306 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
308 // Set the Accepts header for the server, depending on the dataType
309 xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
310 s.accepts[ s.dataType ] + ", */*" :
311 s.accepts._default );
314 // Allow custom headers/mimetypes
315 if ( s.beforeSend && s.beforeSend(xhr, s) === false ) {
316 // cleanup active request counter
317 s.global && jQuery.active--;
318 // close opended socket
324 jQuery.event.trigger("ajaxSend", [xhr, s]);
326 // Wait for a response to come back
327 var onreadystatechange = function(isTimeout){
328 // The transfer is complete and the data is available, or the request timed out
329 if ( !requestDone && xhr && (xhr.readyState == 4 || isTimeout == "timeout") ) {
332 // clear poll interval
338 status = isTimeout == "timeout" ? "timeout" :
339 !jQuery.httpSuccess( xhr ) ? "error" :
340 s.ifModified && jQuery.httpNotModified( xhr, s.url ) ? "notmodified" :
343 if ( status == "success" ) {
344 // Watch for, and catch, XML document parse errors
346 // process the data (runs the xml through httpData regardless of callback)
347 data = jQuery.httpData( xhr, s.dataType, s );
349 status = "parsererror";
353 // Make sure that the request was successful or notmodified
354 if ( status == "success" ) {
355 // Cache Last-Modified header, if ifModified mode.
358 modRes = xhr.getResponseHeader("Last-Modified");
359 } catch(e) {} // swallow exception thrown by FF if header is not available
361 if ( s.ifModified && modRes )
362 jQuery.lastModified[s.url] = modRes;
364 // JSONP handles its own success callback
368 jQuery.handleError(s, xhr, status);
370 // Fire the complete handlers
380 // don't attach the handler to the request, just poll it instead
381 var ival = setInterval(onreadystatechange, 13);
385 setTimeout(function(){
386 // Check to see if the request is still happening
388 // Cancel the request
392 onreadystatechange( "timeout" );
401 jQuery.handleError(s, xhr, null, e);
404 // firefox 1.5 doesn't fire statechange for sync requests
406 onreadystatechange();
409 // If a local callback was specified, fire it and pass it the data
411 s.success( data, status );
413 // Fire the global callback
415 jQuery.event.trigger( "ajaxSuccess", [xhr, s] );
421 s.complete(xhr, status);
423 // The request was completed
425 jQuery.event.trigger( "ajaxComplete", [xhr, s] );
427 // Handle the global AJAX counter
428 if ( s.global && ! --jQuery.active )
429 jQuery.event.trigger( "ajaxStop" );
432 // return XMLHttpRequest to allow aborting the request etc.
436 handleError: function( s, xhr, status, e ) {
437 // If a local callback was specified, fire it
438 if ( s.error ) s.error( xhr, status, e );
440 // Fire the global callback
442 jQuery.event.trigger( "ajaxError", [xhr, s, e] );
445 // Counter for holding the number of active queries
448 // Determines if an XMLHttpRequest was successful or not
449 httpSuccess: function( xhr ) {
451 // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
452 return !xhr.status && location.protocol == "file:" ||
453 ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status == 304 || xhr.status == 1223 ||
454 jQuery.browser.safari && xhr.status == undefined;
459 // Determines if an XMLHttpRequest returns NotModified
460 httpNotModified: function( xhr, url ) {
462 var xhrRes = xhr.getResponseHeader("Last-Modified");
464 // Firefox always returns 200. check Last-Modified date
465 return xhr.status == 304 || xhrRes == jQuery.lastModified[url] ||
466 jQuery.browser.safari && xhr.status == undefined;
471 httpData: function( xhr, type, s ) {
472 var ct = xhr.getResponseHeader("content-type"),
473 xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0,
474 data = xml ? xhr.responseXML : xhr.responseText;
476 if ( xml && data.documentElement.tagName == "parsererror" )
479 // Allow a pre-filtering function to sanitize the response
480 // s != null is checked to keep backwards compatibility
481 if( s && s.dataFilter )
482 data = s.dataFilter( data, type );
484 // If the type is "script", eval it in global context
485 if ( type == "script" )
486 jQuery.globalEval( data );
488 // Get the JavaScript object, if JSON is used.
489 if ( type == "json" )
490 data = eval("(" + data + ")");
495 // Serialize an array of form elements or a set of
496 // key/values into a query string
497 param: function( a ) {
500 function add( key, value ){
501 s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value);
504 // If an array was passed in, assume that it is an array
506 if ( a.constructor == Array || a.jquery )
507 // Serialize the form elements
508 jQuery.each( a, function(){
509 add( this.name, this.value );
512 // Otherwise, assume that it's an object of key/value pairs
514 // Serialize the key/values
516 // If the value is an array then the key names need to be repeated
517 if ( a[j] && a[j].constructor == Array )
518 jQuery.each( a[j], function(){
522 add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );
524 // Return the resulting serialization
525 return s.join("&").replace(/%20/g, "+");