2 rscript = /<script(.|\s)*?\/script>/gi,
3 rselectTextarea = /select|textarea/i,
4 rinput = /color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week/i,
7 rts = /(\?|&)_=.*?(&|$)/,
8 rurl = /^(\w+:)?\/\/([^\/?#]+)/,
11 // Keep a copy of the old load method
12 _load = jQuery.fn.load;
15 load: function( url, params, callback ) {
16 if ( typeof url !== "string" && _load ) {
17 return _load.apply( this, arguments );
19 // Don't do a request if no elements are being requested
20 } else if ( !this.length ) {
24 var off = url.indexOf(" ");
26 var selector = url.slice(off, url.length);
27 url = url.slice(0, off);
30 // Default to a GET request
33 // If the second parameter was provided
36 if ( jQuery.isFunction( params ) ) {
37 // We assume that it's the callback
41 // Otherwise, build a param string
42 } else if ( typeof params === "object" ) {
43 params = jQuery.param( params, jQuery.ajaxSettings.traditional );
50 // Request the remote document
56 complete: function( res, status ) {
57 // If successful, inject the HTML into all the matched elements
58 if ( status === "success" || status === "notmodified" ) {
59 // See if a selector was specified
61 // Create a dummy div to hold the results
63 // inject the contents of the document in, removing the scripts
64 // to avoid any 'Permission Denied' errors in IE
65 .append(res.responseText.replace(rscript, ""))
67 // Locate the specified elements
70 // If not, just inject the full result
75 self.each( callback, [res.responseText, status, res] );
83 serialize: function() {
84 return jQuery.param(this.serializeArray());
86 serializeArray: function() {
87 return this.map(function() {
88 return this.elements ? jQuery.makeArray(this.elements) : this;
91 return this.name && !this.disabled &&
92 (this.checked || rselectTextarea.test(this.nodeName) ||
93 rinput.test(this.type));
95 .map(function( i, elem ) {
96 var val = jQuery(this).val();
100 jQuery.isArray(val) ?
101 jQuery.map( val, function( val, i ) {
102 return { name: elem.name, value: val };
104 { name: elem.name, value: val };
109 // Attach a bunch of functions for handling common AJAX events
110 jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split(" "), function( i, o ) {
111 jQuery.fn[o] = function( f ) {
112 return this.bind(o, f);
118 get: function( url, data, callback, type ) {
119 // shift arguments if data argument was omited
120 if ( jQuery.isFunction( data ) ) {
121 type = type || callback;
135 getScript: function( url, callback ) {
136 return jQuery.get(url, null, callback, "script");
139 getJSON: function( url, data, callback ) {
140 return jQuery.get(url, data, callback, "json");
143 post: function( url, data, callback, type ) {
144 // shift arguments if data argument was omited
145 if ( jQuery.isFunction( data ) ) {
146 type = type || callback;
160 ajaxSetup: function( settings ) {
161 jQuery.extend( jQuery.ajaxSettings, settings );
168 contentType: "application/x-www-form-urlencoded",
178 // Create the request object; Microsoft failed to properly
179 // implement the XMLHttpRequest in IE7 (can't request local files),
180 // so we use the ActiveXObject when it is available
181 // This function can be overriden by calling jQuery.ajaxSetup
182 xhr: window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ?
184 return new window.XMLHttpRequest();
188 return new window.ActiveXObject("Microsoft.XMLHTTP");
192 xml: "application/xml, text/xml",
194 script: "text/javascript, application/javascript",
195 json: "application/json, text/javascript",
201 // Last-Modified header cache for next request
205 ajax: function( origSettings ) {
206 var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings);
208 var jsonp, status, data,
209 callbackContext = origSettings && origSettings.context || s,
210 type = s.type.toUpperCase();
212 // convert data if not already a string
213 if ( s.data && s.processData && typeof s.data !== "string" ) {
214 s.data = jQuery.param( s.data, s.traditional );
217 // Handle JSONP Parameter Callbacks
218 if ( s.dataType === "jsonp" ) {
219 if ( type === "GET" ) {
220 if ( !jsre.test( s.url ) ) {
221 s.url += (rquery.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
223 } else if ( !s.data || !jsre.test(s.data) ) {
224 s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
229 // Build temporary JSONP function
230 if ( s.dataType === "json" && (s.data && jsre.test(s.data) || jsre.test(s.url)) ) {
231 jsonp = s.jsonpCallback || ("jsonp" + jsc++);
233 // Replace the =? sequence both in the query string and the data
235 s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
238 s.url = s.url.replace(jsre, "=" + jsonp + "$1");
240 // We need to make sure
241 // that a JSONP style response is executed properly
242 s.dataType = "script";
244 // Handle JSONP-style loading
245 window[ jsonp ] = window[ jsonp ] || function( tmp ) {
250 window[ jsonp ] = undefined;
253 delete window[ jsonp ];
257 head.removeChild( script );
262 if ( s.dataType === "script" && s.cache === null ) {
266 if ( s.cache === false && type === "GET" ) {
269 // try replacing _= if it is there
270 var ret = s.url.replace(rts, "$1_=" + ts + "$2");
272 // if nothing was replaced, add timestamp to the end
273 s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
276 // If data is available, append data to url for get requests
277 if ( s.data && type === "GET" ) {
278 s.url += (rquery.test(s.url) ? "&" : "?") + s.data;
281 // Watch for a new set of requests
282 if ( s.global && ! jQuery.active++ ) {
283 jQuery.event.trigger( "ajaxStart" );
286 // Matches an absolute URL, and saves the domain
287 var parts = rurl.exec( s.url ),
288 remote = parts && (parts[1] && parts[1] !== location.protocol || parts[2] !== location.host);
290 // If we're requesting a remote document
291 // and trying to load JSON or Script with a GET
292 if ( s.dataType === "script" && type === "GET" && remote ) {
293 var head = document.getElementsByTagName("head")[0] || document.documentElement;
294 var script = document.createElement("script");
296 if ( s.scriptCharset ) {
297 script.charset = s.scriptCharset;
300 // Handle Script loading
304 // Attach handlers for all browsers
305 script.onload = script.onreadystatechange = function() {
306 if ( !done && (!this.readyState ||
307 this.readyState === "loaded" || this.readyState === "complete") ) {
312 // Handle memory leak in IE
313 script.onload = script.onreadystatechange = null;
314 if ( head && script.parentNode ) {
315 head.removeChild( script );
321 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
322 // This arises when a base node is used (#2709 and #4378).
323 head.insertBefore( script, head.firstChild );
325 // We handle everything using the script element injection
329 var requestDone = false;
331 // Create the request object
339 // Passing null username, generates a login popup on Opera (#2865)
341 xhr.open(type, s.url, s.async, s.username, s.password);
343 xhr.open(type, s.url, s.async);
346 // Need an extra try/catch for cross domain requests in Firefox 3
348 // Set the correct header, if data is being sent
349 if ( s.data || origSettings && origSettings.contentType ) {
350 xhr.setRequestHeader("Content-Type", s.contentType);
353 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
354 if ( s.ifModified ) {
355 if ( jQuery.lastModified[s.url] ) {
356 xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url]);
359 if ( jQuery.etag[s.url] ) {
360 xhr.setRequestHeader("If-None-Match", jQuery.etag[s.url]);
364 // Set header so the called script knows that it's an XMLHttpRequest
365 // Only send the header if it's not a remote XHR
367 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
370 // Set the Accepts header for the server, depending on the dataType
371 xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
372 s.accepts[ s.dataType ] + ", */*" :
373 s.accepts._default );
376 // Allow custom headers/mimetypes and early abort
377 if ( s.beforeSend && s.beforeSend.call(callbackContext, xhr, s) === false ) {
378 // Handle the global AJAX counter
379 if ( s.global && ! --jQuery.active ) {
380 jQuery.event.trigger( "ajaxStop" );
383 // close opended socket
389 trigger("ajaxSend", [xhr, s]);
392 // Wait for a response to come back
393 var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
394 // The request was aborted
395 if ( !xhr || xhr.readyState === 0 || isTimeout === "abort" ) {
396 // Opera doesn't call onreadystatechange before this point
397 // so we simulate the call
398 if ( !requestDone ) {
404 xhr.onreadystatechange = jQuery.noop;
407 // The transfer is complete and the data is available, or the request timed out
408 } else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) {
410 xhr.onreadystatechange = jQuery.noop;
412 status = isTimeout === "timeout" ?
414 !jQuery.httpSuccess( xhr ) ?
416 s.ifModified && jQuery.httpNotModified( xhr, s.url ) ?
422 if ( status === "success" ) {
423 // Watch for, and catch, XML document parse errors
425 // process the data (runs the xml through httpData regardless of callback)
426 data = jQuery.httpData( xhr, s.dataType, s );
428 status = "parsererror";
433 // Make sure that the request was successful or notmodified
434 if ( status === "success" || status === "notmodified" ) {
435 // JSONP handles its own success callback
440 jQuery.handleError(s, xhr, status, errMsg);
443 // Fire the complete handlers
446 if ( isTimeout === "timeout" ) {
457 // Override the abort handler, if we can (IE doesn't allow it, but that's OK)
458 // Opera doesn't fire onreadystatechange at all on abort
460 var oldAbort = xhr.abort;
461 xhr.abort = function() {
463 oldAbort.call( xhr );
466 onreadystatechange( "abort" );
471 if ( s.async && s.timeout > 0 ) {
472 setTimeout(function() {
473 // Check to see if the request is still happening
474 if ( xhr && !requestDone ) {
475 onreadystatechange( "timeout" );
482 xhr.send( type === "POST" || type === "PUT" || type === "DELETE" ? s.data : null );
484 jQuery.handleError(s, xhr, null, e);
485 // Fire the complete handlers
489 // firefox 1.5 doesn't fire statechange for sync requests
491 onreadystatechange();
495 // If a local callback was specified, fire it and pass it the data
497 s.success.call( callbackContext, data, status, xhr );
500 // Fire the global callback
502 trigger( "ajaxSuccess", [xhr, s] );
506 function complete() {
509 s.complete.call( callbackContext, xhr, status);
512 // The request was completed
514 trigger( "ajaxComplete", [xhr, s] );
517 // Handle the global AJAX counter
518 if ( s.global && ! --jQuery.active ) {
519 jQuery.event.trigger( "ajaxStop" );
523 function trigger(type, args) {
524 (s.context ? jQuery(s.context) : jQuery.event).trigger(type, args);
527 // return XMLHttpRequest to allow aborting the request etc.
531 handleError: function( s, xhr, status, e ) {
532 // If a local callback was specified, fire it
534 s.error.call( s.context || s, xhr, status, e );
537 // Fire the global callback
539 (s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
543 // Counter for holding the number of active queries
546 // Determines if an XMLHttpRequest was successful or not
547 httpSuccess: function( xhr ) {
549 // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
550 return !xhr.status && location.protocol === "file:" ||
551 // Opera returns 0 when status is 304
552 ( xhr.status >= 200 && xhr.status < 300 ) ||
553 xhr.status === 304 || xhr.status === 1223 || xhr.status === 0;
559 // Determines if an XMLHttpRequest returns NotModified
560 httpNotModified: function( xhr, url ) {
561 var lastModified = xhr.getResponseHeader("Last-Modified"),
562 etag = xhr.getResponseHeader("Etag");
564 if ( lastModified ) {
565 jQuery.lastModified[url] = lastModified;
569 jQuery.etag[url] = etag;
572 // Opera returns 0 when status is 304
573 return xhr.status === 304 || xhr.status === 0;
576 httpData: function( xhr, type, s ) {
577 var ct = xhr.getResponseHeader("content-type") || "",
578 xml = type === "xml" || !type && ct.indexOf("xml") >= 0,
579 data = xml ? xhr.responseXML : xhr.responseText;
581 if ( xml && data.documentElement.nodeName === "parsererror" ) {
582 jQuery.error( "parsererror" );
585 // Allow a pre-filtering function to sanitize the response
586 // s is checked to keep backwards compatibility
587 if ( s && s.dataFilter ) {
588 data = s.dataFilter( data, type );
591 // The filter can actually parse the response
592 if ( typeof data === "string" ) {
593 // Get the JavaScript object, if JSON is used.
594 if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {
595 data = jQuery.parseJSON( data );
597 // If the type is "script", eval it in global context
598 } else if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) {
599 jQuery.globalEval( data );
606 // Serialize an array of form elements or a set of
607 // key/values into a query string
608 param: function( a, traditional ) {
611 // Set traditional to true for jQuery <= 1.3.2 behavior.
612 if ( traditional === undefined ) {
613 traditional = jQuery.ajaxSettings.traditional;
616 // If an array was passed in, assume that it is an array of form elements.
617 if ( jQuery.isArray(a) || a.jquery ) {
618 // Serialize the form elements
619 jQuery.each( a, function() {
620 add( this.name, this.value );
624 // If traditional, encode the "old" way (the way 1.3.2 or older
625 // did it), otherwise encode params recursively.
626 for ( var prefix in a ) {
627 buildParams( prefix, a[prefix] );
631 // Return the resulting serialization
632 return s.join("&").replace(r20, "+");
634 function buildParams( prefix, obj ) {
635 if ( jQuery.isArray(obj) ) {
636 // Serialize array item.
637 jQuery.each( obj, function( i, v ) {
638 if ( traditional || /\[\]$/.test( prefix ) ) {
639 // Treat each array item as a scalar.
642 // If array item is non-scalar (array or object), encode its
643 // numeric index to resolve deserialization ambiguity issues.
644 // Note that rack (as of 1.0.0) can't currently deserialize
645 // nested arrays properly, and attempting to do so may cause
646 // a server error. Possible fixes are to modify rack's
647 // deserialization algorithm or to provide an option or flag
648 // to force array serialization to be shallow.
649 buildParams( prefix + "[" + ( typeof v === "object" || jQuery.isArray(v) ? i : "" ) + "]", v );
653 } else if ( !traditional && obj != null && typeof obj === "object" ) {
654 // Serialize object item.
655 jQuery.each( obj, function( k, v ) {
656 buildParams( prefix + "[" + k + "]", v );
660 // Serialize scalar item.
665 function add( key, value ) {
666 // If value is a function, invoke it and return its value
667 value = jQuery.isFunction(value) ? value() : value;
668 s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);