Ajax

AJAX (Asynchronous JavaScript and XML) is a technique for creating seamless interactive websites via asynchronous data exchange between client and server. AJAX facilitates communication with the server or partial page updates without a traditional page refresh.

53 votes
7 answers
693 views
Why use AJAX when WebSockets is available?

I've been using WebSockets for a while now, I have chosen to create an Agile project management tool for

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Tuan
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asked 07 September, 2021
63 votes
8 answers
2.1K views
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is f

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Lawanda
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asked 07 September, 2021
60 votes
10 answers
1.9K 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,

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Brianne
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asked 07 September, 2021
57 votes
9 answers
997 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

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Wei
0 1 0 9
asked 07 September, 2021
61 votes
6 answers
939 views
WebSockets protocol vs HTTP

There are many blogs and discussions about WebSocket and HTTP, and many developers and sites strongly advocate

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Nereida
0 1 0 9
asked 07 September, 2021
64 votes
11 answers
1.5K 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

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Brianne
0 1 0 9
asked 07 September, 2021
59 votes
21 answers
2.3K views
How can I post data as form data instead of a request payload?

In the code below, the AngularJS $http method calls the URL, and submits the xsrf object as a "Request Payload

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Sena
0 1 0 9
asked 07 September, 2021
62 votes
7 answers
1.7K 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

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Wilber
0 1 0 9
asked 07 September, 2021
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

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Trudy
0 1 0 9
asked 07 September, 2021
51 votes
15 answers
1.3K views
How to manually send HTTP POST requests from Firefox or Chrome browser

I want to test some URLs in a web application I'm working on. For that I would like to manually create HT

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Tana
0 1 0 9
asked 07 September, 2021