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
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);
100 get: function( url, data, callback, type ) {
101 // shift arguments if data argument was ommited
102 if ( jQuery.isFunction( data ) ) {
116 getScript: function( url, callback ) {
117 return jQuery.get(url, null, callback, "script");
120 getJSON: function( url, data, callback ) {
121 return jQuery.get(url, data, callback, "json");
124 post: function( url, data, callback, type ) {
125 if ( jQuery.isFunction( data ) ) {
139 ajaxSetup: function( settings ) {
140 jQuery.extend( jQuery.ajaxSettings, settings );
148 contentType: "application/x-www-form-urlencoded",
155 xml: "application/xml, text/xml",
157 script: "text/javascript, application/javascript",
158 json: "application/json, text/javascript",
164 // Last-Modified header cache for next request
167 ajax: function( s ) {
168 // Extend the settings, but re-extend 's' so that it can be
169 // checked again later (in the test suite, specifically)
170 s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
172 var jsonp, jsre = /=\?(&|$)/g, status, data,
173 type = s.type.toUpperCase();
175 // convert data if not already a string
176 if ( s.data && s.processData && typeof s.data != "string" )
177 s.data = jQuery.param(s.data);
179 // Handle JSONP Parameter Callbacks
180 if ( s.dataType == "jsonp" ) {
181 if ( type == "GET" ) {
182 if ( !s.url.match(jsre) )
183 s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
184 } else if ( !s.data || !s.data.match(jsre) )
185 s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
189 // Build temporary JSONP function
190 if ( s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre)) ) {
191 jsonp = "jsonp" + jsc++;
193 // Replace the =? sequence both in the query string and the data
195 s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
196 s.url = s.url.replace(jsre, "=" + jsonp + "$1");
198 // We need to make sure
199 // that a JSONP style response is executed properly
200 s.dataType = "script";
202 // Handle JSONP-style loading
203 window[ jsonp ] = function(tmp){
208 window[ jsonp ] = undefined;
209 try{ delete window[ jsonp ]; } catch(e){}
211 head.removeChild( script );
215 if ( s.dataType == "script" && s.cache == null )
218 if ( s.cache === false && type == "GET" ) {
220 // try replacing _= if it is there
221 var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
222 // if nothing was replaced, add timestamp to the end
223 s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
226 // If data is available, append data to url for get requests
227 if ( s.data && type == "GET" ) {
228 s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
230 // IE likes to send both get and post data, prevent this
234 // Watch for a new set of requests
235 if ( s.global && ! jQuery.active++ )
236 jQuery.event.trigger( "ajaxStart" );
238 // Matches an absolute URL, and saves the domain
239 var remote = /^(?:\w+:)?\/\/([^\/?#]+)/;
241 // If we're requesting a remote document
242 // and trying to load JSON or Script with a GET
243 if ( s.dataType == "script" && type == "GET"
244 && remote.test(s.url) && remote.exec(s.url)[1] != location.host ){
245 var head = document.getElementsByTagName("head")[0];
246 var script = document.createElement("script");
249 script.charset = s.scriptCharset;
251 // Handle Script loading
255 // Attach handlers for all browsers
256 script.onload = script.onreadystatechange = function(){
257 if ( !done && (!this.readyState ||
258 this.readyState == "loaded" || this.readyState == "complete") ) {
262 head.removeChild( script );
267 head.appendChild(script);
269 // We handle everything using the script element injection
273 var requestDone = false;
275 // Create the request object; Microsoft failed to properly
276 // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
277 var xhr = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
280 // Passing null username, generates a login popup on Opera (#2865)
282 xhr.open(type, s.url, s.async, s.username, s.password);
284 xhr.open(type, s.url, s.async);
286 // Need an extra try/catch for cross domain requests in Firefox 3
288 // Set the correct header, if data is being sent
290 xhr.setRequestHeader("Content-Type", s.contentType);
292 // Set the If-Modified-Since header, if ifModified mode.
294 xhr.setRequestHeader("If-Modified-Since",
295 jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
297 // Set header so the called script knows that it's an XMLHttpRequest
298 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
300 // Set the Accepts header for the server, depending on the dataType
301 xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
302 s.accepts[ s.dataType ] + ", */*" :
303 s.accepts._default );
306 // Allow custom headers/mimetypes
307 if ( s.beforeSend && s.beforeSend(xhr, s) === false ) {
308 // cleanup active request counter
309 s.global && jQuery.active--;
310 // close opended socket
316 jQuery.event.trigger("ajaxSend", [xhr, s]);
318 // Wait for a response to come back
319 var onreadystatechange = function(isTimeout){
320 // The transfer is complete and the data is available, or the request timed out
321 if ( !requestDone && xhr && (xhr.readyState == 4 || isTimeout == "timeout") ) {
324 // clear poll interval
330 status = isTimeout == "timeout" && "timeout" ||
331 !jQuery.httpSuccess( xhr ) && "error" ||
332 s.ifModified && jQuery.httpNotModified( xhr, s.url ) && "notmodified" ||
335 if ( status == "success" ) {
336 // Watch for, and catch, XML document parse errors
338 // process the data (runs the xml through httpData regardless of callback)
339 data = jQuery.httpData( xhr, s.dataType, s.dataFilter );
341 status = "parsererror";
345 // Make sure that the request was successful or notmodified
346 if ( status == "success" ) {
347 // Cache Last-Modified header, if ifModified mode.
350 modRes = xhr.getResponseHeader("Last-Modified");
351 } catch(e) {} // swallow exception thrown by FF if header is not available
353 if ( s.ifModified && modRes )
354 jQuery.lastModified[s.url] = modRes;
356 // JSONP handles its own success callback
360 jQuery.handleError(s, xhr, status);
362 // Fire the complete handlers
372 // don't attach the handler to the request, just poll it instead
373 var ival = setInterval(onreadystatechange, 13);
377 setTimeout(function(){
378 // Check to see if the request is still happening
380 // Cancel the request
384 onreadystatechange( "timeout" );
393 jQuery.handleError(s, xhr, null, e);
396 // firefox 1.5 doesn't fire statechange for sync requests
398 onreadystatechange();
401 // If a local callback was specified, fire it and pass it the data
403 s.success( data, status );
405 // Fire the global callback
407 jQuery.event.trigger( "ajaxSuccess", [xhr, s] );
413 s.complete(xhr, status);
415 // The request was completed
417 jQuery.event.trigger( "ajaxComplete", [xhr, s] );
419 // Handle the global AJAX counter
420 if ( s.global && ! --jQuery.active )
421 jQuery.event.trigger( "ajaxStop" );
424 // return XMLHttpRequest to allow aborting the request etc.
428 handleError: function( s, xhr, status, e ) {
429 // If a local callback was specified, fire it
430 if ( s.error ) s.error( xhr, status, e );
432 // Fire the global callback
434 jQuery.event.trigger( "ajaxError", [xhr, s, e] );
437 // Counter for holding the number of active queries
440 // Determines if an XMLHttpRequest was successful or not
441 httpSuccess: function( xhr ) {
443 // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
444 return !xhr.status && location.protocol == "file:" ||
445 ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status == 304 || xhr.status == 1223 ||
446 jQuery.browser.safari && xhr.status == undefined;
451 // Determines if an XMLHttpRequest returns NotModified
452 httpNotModified: function( xhr, url ) {
454 var xhrRes = xhr.getResponseHeader("Last-Modified");
456 // Firefox always returns 200. check Last-Modified date
457 return xhr.status == 304 || xhrRes == jQuery.lastModified[url] ||
458 jQuery.browser.safari && xhr.status == undefined;
463 httpData: function( xhr, type, filter ) {
464 var ct = xhr.getResponseHeader("content-type"),
465 xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0,
466 data = xml ? xhr.responseXML : xhr.responseText;
468 if ( xml && data.documentElement.tagName == "parsererror" )
471 // Allow a pre-filtering function to sanitize the response
473 data = filter( data, type );
475 // If the type is "script", eval it in global context
476 if ( type == "script" )
477 jQuery.globalEval( data );
479 // Get the JavaScript object, if JSON is used.
480 if ( type == "json" )
481 data = eval("(" + data + ")");
486 // Serialize an array of form elements or a set of
487 // key/values into a query string
488 param: function( a ) {
491 // If an array was passed in, assume that it is an array
493 if ( a.constructor == Array || a.jquery )
494 // Serialize the form elements
495 jQuery.each( a, function(){
496 s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
499 // Otherwise, assume that it's an object of key/value pairs
501 // Serialize the key/values
503 // If the value is an array then the key names need to be repeated
504 if ( a[j] && a[j].constructor == Array )
505 jQuery.each( a[j], function(){
506 s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
509 s.push( encodeURIComponent(j) + "=" + encodeURIComponent( jQuery.isFunction(a[j]) ? a[j]() : a[j] ) );
511 // Return the resulting serialization
512 return s.join("&").replace(/%20/g, "+");