* @param Function callback (optional) A function to be executed whenever the data is loaded (parameters: responseText, status and response itself).
* @cat Ajax
*/
+ // DEPRECATED
loadIfModified: function( url, params, callback ) {
this.load( url, params, callback, 1 );
},
if ( jQuery.isFunction( url ) )
return this.bind("load", url);
+ var off = url.indexOf(" ");
+ if ( off >= 0 ) {
+ var selector = url.slice(off, url.length);
+ url = url.slice(0, off);
+ }
+
callback = callback || function(){};
// Default to a GET request
data: params,
ifModified: ifModified,
complete: function(res, status){
+ // If successful, inject the HTML into all the matched elements
if ( status == "success" || !ifModified && status == "notmodified" )
- // Inject the HTML into all the matched elements
- self.attr("innerHTML", res.responseText)
- // Execute all the scripts inside of the newly-injected HTML
- .evalScripts()
- // Execute callback
- .each( callback, [res.responseText, status, res] );
- else
- callback.apply( self, [res.responseText, status, res] );
+ // See if a selector was specified
+ self.html( selector ?
+ // Create a dummy div to hold the results
+ jQuery("<div/>")
+ // inject the contents of the document in, removing the scripts
+ // to avoid any 'Permission Denied' errors in IE
+ .append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
+
+ // Locate the specified elements
+ .find(selector) :
+
+ // If not, just inject the full result
+ res.responseText );
+
+ // Add delay to account for Safari's delay in globalEval
+ setTimeout(function(){
+ self.each( callback, [res.responseText, status, res] );
+ }, 13);
}
});
return this;
return jQuery.param( this );
},
- /**
- * Evaluate all script tags inside this jQuery. If they have a src attribute,
- * the script is loaded, otherwise it's content is evaluated.
- *
- * @name evalScripts
- * @type jQuery
- * @private
- * @cat Ajax
- */
- evalScripts: function() {
- return this.find("script").each(function(){
- if ( this.src )
- jQuery.getScript( this.src );
- else
- jQuery.globalEval( this.text || this.textContent || this.innerHTML || "" );
- }).end();
- }
+ // DEPRECATED
+ // This method no longer does anything - all script evaluation is
+ // taken care of within the HTML injection methods.
+ evalScripts: function(){}
});
-// If IE is used, create a wrapper for the XMLHttpRequest object
-if ( !window.XMLHttpRequest )
- XMLHttpRequest = function(){
- return new ActiveXObject("Microsoft.XMLHTTP");
- };
-
// Attach a bunch of functions for handling common AJAX events
/**
}
return jQuery.ajax({
+ type: "GET",
url: url,
data: data,
success: callback,
* @param Function callback (optional) A function to be executed whenever the data is loaded successfully.
* @cat Ajax
*/
+ // DEPRECATED
getIfModified: function( url, data, callback, type ) {
return jQuery.get(url, data, callback, type, 1);
},
});
},
- // timeout (ms)
- //timeout: 0,
-
/**
- * Set the timeout of all AJAX requests to a specific amount of time.
+ * Set the timeout in milliseconds of all AJAX requests to a specific amount of time.
* This will make all future AJAX requests timeout after a specified amount
* of time.
*
*
* @name $.ajaxTimeout
* @type undefined
- * @param Number time How long before an AJAX request times out.
+ * @param Number time How long before an AJAX request times out, in milliseconds.
* @cat Ajax
*/
+ // DEPRECATED
ajaxTimeout: function( timeout ) {
jQuery.ajaxSettings.timeout = timeout;
},
* response has changed since the last request. This is done by checking the
* Last-Modified header. Default value is false, ignoring the header.
*
- * (Number) timeout - Local timeout to override global timeout, eg. to give a
+ * (Number) timeout - Local timeout in milliseconds to override global timeout, eg. to give a
* single request a longer timeout while all others timeout after 1 second.
* See $.ajaxTimeout() for global timeouts.
*
* @see ajaxSetup(Map)
*/
ajax: function( s ) {
- // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
- s = jQuery.extend({}, jQuery.ajaxSettings, s);
+ // Extend the settings, but re-extend 's' so that it can be
+ // checked again later (in the test suite, specifically)
+ s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
// if data available
if ( s.data ) {
// convert data if not already a string
- if (s.processData && typeof s.data != "string")
- s.data = jQuery.param(s.data);
+ if ( s.processData && typeof s.data != "string" )
+ s.data = jQuery.param(s.data);
+
// append data to url for get requests
- if( s.type.toLowerCase() == "get" ) {
+ if ( s.type.toLowerCase() == "get" ) {
// "?" + data or "&" + data (in case there are already params)
- s.url += ((s.url.indexOf("?") > -1) ? "&" : "?") + s.data;
+ s.url += (s.url.indexOf("?") > -1 ? "&" : "?") + s.data;
+
// IE likes to send both get and post data, prevent this
s.data = null;
}
var requestDone = false;
- // Create the request object
- var xml = new XMLHttpRequest();
+ // Create the request object; Microsoft failed to properly
+ // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
+ var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
// Open the socket
xml.open(s.type, s.url, s.async);
// Set header so the called script knows that it's an XMLHttpRequest
xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
- // Make sure the browser sends the right content length
- if ( xml.overrideMimeType )
- xml.setRequestHeader("Connection", "close");
-
// Allow custom headers/mimetypes
if( s.beforeSend )
s.beforeSend(xml);
// Wait for a response to come back
var onreadystatechange = function(isTimeout){
// The transfer is complete and the data is available, or the request timed out
- if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
+ if ( !requestDone && xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
requestDone = true;
// clear poll interval
ival = null;
}
- var status;
- try {
- status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
- s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
- // Make sure that the request was successful or notmodified
- if ( status != "error" ) {
- // Cache Last-Modified header, if ifModified mode.
- var modRes;
- try {
- modRes = xml.getResponseHeader("Last-Modified");
- } catch(e) {} // swallow exception thrown by FF if header is not available
-
- if ( s.ifModified && modRes )
- jQuery.lastModified[s.url] = modRes;
-
+ var status = isTimeout == "timeout" && "timeout" ||
+ !jQuery.httpSuccess( xml ) && "error" ||
+ s.ifModified && jQuery.httpNotModified( xml, s.url ) && "notmodified" ||
+ "success";
+
+ if ( status == "success" ) {
+ // Watch for, and catch, XML document parse errors
+ try {
// process the data (runs the xml through httpData regardless of callback)
var data = jQuery.httpData( xml, s.dataType );
+ } catch(e) {
+ status = "parsererror";
+ }
+ }
+
+ // Make sure that the request was successful or notmodified
+ if ( status == "success" ) {
+ // Cache Last-Modified header, if ifModified mode.
+ var modRes;
+ try {
+ modRes = xml.getResponseHeader("Last-Modified");
+ } catch(e) {} // swallow exception thrown by FF if header is not available
- // If a local callback was specified, fire it and pass it the data
- if ( s.success )
- s.success( data, status );
+ if ( s.ifModified && modRes )
+ jQuery.lastModified[s.url] = modRes;
- // Fire the global callback
- if( s.global )
- jQuery.event.trigger( "ajaxSuccess", [xml, s] );
- } else
- jQuery.handleError(s, xml, status);
- } catch(e) {
- status = "error";
- jQuery.handleError(s, xml, status, e);
- }
+ // If a local callback was specified, fire it and pass it the data
+ if ( s.success )
+ s.success( data, status );
+
+ // Fire the global callback
+ if ( s.global )
+ jQuery.event.trigger( "ajaxSuccess", [xml, s] );
+ } else
+ jQuery.handleError(s, xml, status);
// The request was completed
if( s.global )
}
};
- // don't attach the handler to the request, just poll it instead
- var ival = setInterval(onreadystatechange, 13);
-
- // Timeout checker
- if ( s.timeout > 0 )
- setTimeout(function(){
- // Check to see if the request is still happening
- if ( xml ) {
- // Cancel the request
- xml.abort();
-
- if( !requestDone )
- onreadystatechange( "timeout" );
- }
- }, s.timeout);
+ if ( s.async ) {
+ // don't attach the handler to the request, just poll it instead
+ var ival = setInterval(onreadystatechange, 13);
+
+ // Timeout checker
+ if ( s.timeout > 0 )
+ setTimeout(function(){
+ // Check to see if the request is still happening
+ if ( xml ) {
+ // Cancel the request
+ xml.abort();
+
+ if( !requestDone )
+ onreadystatechange( "timeout" );
+ }
+ }, s.timeout);
+ }
// Send the data
try {
*/
httpData: function( r, type ) {
var ct = r.getResponseHeader("content-type");
- var data = !type && ct && ct.indexOf("xml") >= 0;
- data = type == "xml" || data ? r.responseXML : r.responseText;
+ var xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0;
+ data = xml ? r.responseXML : r.responseText;
+
+ if ( xml && data.documentElement.tagName == "parsererror" )
+ throw "parsererror";
// If the type is "script", eval it in global context
if ( type == "script" )
// Get the JavaScript object, if JSON is used.
if ( type == "json" )
- eval( "data = " + data );
-
- // evaluate scripts within html
- if ( type == "html" )
- jQuery("<div>").html(data).evalScripts();
+ data = eval("(" + data + ")");
return data;
},
// Return the resulting serialization
return s.join("&");
- },
-
- // evalulates a script in global context
- // not reliable for safari
- globalEval: function( data ) {
- if ( window.execScript )
- window.execScript( data );
- else if ( jQuery.browser.safari )
- // safari doesn't provide a synchronous global eval
- window.setTimeout( data, 0 );
- else
- eval.call( window, data );
}
});