62
votes
18
answers
1.2K
views
Origin is not allowed by Access-Control-Allow-Origin
I'm making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap).
54
votes
11
answers
2.4K
views
Why is jQuery's .ajax() method not sending my session cookie?
After logging in via $.ajax() to a site, I am trying to send a second $.ajax() request to that site - but when
60
votes
10
answers
2K
views
CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
I have a setup involving Frontend server (Node.js, domain: localhost:3000) <---> Backend (Django, Ajax,
57
votes
9
answers
1.1K
views
Getting "net::ERR_BLOCKED_BY_CLIENT" error on some AJAX calls
Recently I've realised that, some adblocker extensions (such as adBlocker plus) block some Ajax calls. I
61
votes
6
answers
1K
views
WebSockets protocol vs HTTP
There are many blogs and discussions about WebSocket and HTTP, and many developers and sites strongly advocate
64
votes
11
answers
1.6K
views
ASP.NET MVC controller actions that return JSON or partial html
I am trying to create controller actions which will return either JSON or partial html depending upon a parame
47
votes
8
answers
1.4K
views
Access Control Request Headers, is added to header in AJAX request with jQuery
I would like to add a custom header to an AJAX POST request from jQuery. I have tried this: $.ajax({ ty
50
votes
9
answers
1.1K
views
What is the motivation behind the introduction of preflight CORS requests?
Cross-origin resource sharing is a mechanism that allows a web page to make XMLHttpRequests to another domain
59
votes
10
answers
2.5K
views
Uploading both data and files in one form using Ajax?
I'm using jQuery and Ajax for my forms to submit data and files but I'm not sure how to send both da
61
votes
20
answers
1.7K
views
Handle file download from ajax post
I have a javascript app that sends ajax POST requests to a certain URL. Response might be a JSON string or it
51
votes
11
answers
2.1K
views
Use basic authentication with jQuery and Ajax
I am trying to create a basic authentication through the browser, but I can't really get there. If this
50
votes
25
answers
2.8K
views
Download a file by jQuery.Ajax
I have a Struts2 action in the server side for file downloading. <action name="download" class="com.xxx.Do
57
votes
14
answers
2.3K
views
jQuery AJAX cross domain
Here are two pages, test.php and testserver.php. test.php <script src="scripts/jq.js" type="text/javascri
60
votes
9
answers
1.9K
views
jQuery get textarea text
Recently I have started playing with jQuery, and have been following a couple of tutorials. Now I feel slightl
55
votes
25
answers
697
views
Response to preflight request doesn't pass access control check
I'm getting this error using ngResource to call a REST API on Amazon Web Services: XMLHttpRequest cannot
57
votes
13
answers
1.4K
views
On - window.location.hash - Change?
I am using Ajax and hash for navigation. Is there a way to check if the window.location.hash changed like th
59
votes
17
answers
730
views
How do I send a cross-domain POST request via JavaScript?
How do I send a cross-domain POST request via JavaScript? Notes - it shouldn't refresh the page, and I n
51
votes
13
answers
1.6K
views
Send POST data using XMLHttpRequest
I'd like to send some data using an XMLHttpRequest in JavaScript. Say I have the following form in HTML:
62
votes
7
answers
1.8K
views
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
I've seen a couple questions around here like How to debug RESTful services, which mentions: Unfortun
51
votes
6
answers
1.4K
views
In MVC, how do I return a string result?
In my AJAX call, I want to return a string value back to the calling page. Should I use ActionResult or just
