Possible Duplicate: How does AJAX work? Note: This is a community wiki post I've often heard of AJAX being used for providing a user with dynamic content. What is it and how does it work?
contentType is the HTTP header sent to the server, specifying a particular format. Example: I'm sending JSON or XML dataType is you telling jQuery what kind of response to expect. Expecting JSON, or XML, or HTML, etc. The default is for jQuery to try and figure it out. The $.ajax() documentation has full descriptions of these as well.
I have a form with name orderproductForm and an undefined number of inputs. I want to do some kind of jQuery.get or ajax or anything like that that would call a page through Ajax, and send along a...
Can I use the following jQuery code to perform file upload using POST method of an ajax request ?
The ajax request is sending dataType: json and data: {loginId: " appletest@somedomain.com ", client: "698983"}. While going into the postman, I am trying to send body parameters as JSON with all the above info and Content-Type: application/json in headers but it fails with 500.
70 Jquery.ajax does not encode POST data for you automatically the way that it does for GET data. Jquery expects your data to be pre-formated to append to the request body to be sent directly across the wire. A solution is to use the jQuery.param function to build a query string that most scripts that process POST requests expect.
Ajax is a buzzword meaning "Making an HTTP request from JavaScript without leaving the page". XMLHttpRequest and fetch are APIs, provided by browsers, which allow HTTP requests to be made from JavaScript.