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What is AJAX and how does it work? - Stack Overflow 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?
How do you handle errors from AJAX calls? - Stack Overflow The best way to bubble that error from the server side (using php) to the client side is to send a header through the Ajax request somewhere in the 400's (which is always associated with errors)
Jquery Ajax, return success error from mvc. net controller 16 When you return value from server to jQuery's Ajax call you can also use the below code to indicate a server error: return StatusCode(500, "My error"); Or return StatusCode((int)HttpStatusCode InternalServerError, "My error"); Or Response StatusCode = (int)HttpStatusCode InternalServerError; return Json(new { responseText = "my error" });
Is there any analog to a finally in jQuery AJAX calls? Is there a Java 'finally' analogue in jQuery AJAX calls? I have this code here In my always I throw an exception, however I ALWAYS want it to go to the then() method call xmlHttpReq = $ ajax
jquery ajax data shows [object Object] - Stack Overflow When combined, contentType: false and processData: false turn your data into [object Object], because you're actually telling your AJAX call to ignore the content type of whatever is being sent, and not to process it
javascript - How does AJAX work? - Stack Overflow The author, an Ajax expert, demonstrates how these technologies work together -- from an overview to a detailed look -- to make extremely efficient Web development an easy reality He also unveils the central concepts of Ajax, including the XMLHttpRequest object
ajax - What does it mean when an HTTP request returns status code 0 . . . For what it is worth, depending on the browser, jQuery-based AJAX calls will call your success callback with a HTTP status code of 0 We've found a status code of "0" usually means the user navigated to a different page before the AJAX call completed