How do I get Ajax return value?
var b = false; $. ajax({ async: true, contentType: ‘application/json; charset=utf-8’, type: “POST”, dataType: ‘json’, data: JSON. stringify(arrays), url: “MyHandler. ashx”, success: function (result) { b = true; }, error: function () { alert(‘Error occurred’); } });
How does Ajax call handle return value?
Just set a hidden field value with the result of the ajax call, and instead of checking return value, check the value of the hidden field for true/false (or whatever you want to put in it). $. ajax({ …blah blah }, success: function(results) { if(results === ‘true’) { $(‘#hidField’).
How can AJAX call error be resolved?
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). Once the Ajax request receives this it will trigger your error function.
How do I return an AJAX call?
You can store your promise, you can pass it around, you can use it as an argument in function calls and you can return it from functions, but when you finally want to use your data that is returned by the AJAX call, you have to do it like this: promise. success(function (data) { alert(data); });
How to return multiple values in jQuery Ajax call?
It explicitly mentions using JSON and getting an object as the argument to the success function. You would have to return JSON (or some other data format supported by jQuery’s ajax () function) from favorite.php. edit: it doesn’t have to be json, but for multiple return values, it is the easiest to parse.
Can you return a value from an Ajax request?
You CAN return a value from an AJAX request, but that’s only if you make it non-asynchronous (set the option async: false). In some cases, having an asynchronous call is not requirement. in both methods you suggested; ie. run the function withing success, then you have to write multiple ajax for different scenarios.
How to return Ajax response from Asynchronous JavaScript call?
For instance, you call somebody you want to talk to, but the person is not available, so you leave a message to have him or her call you back. This way, you no longer have to wait on the phone listening to the hold music, you can do other things until the person returns your call. Ajax requests do just that.
Is there a way to return value in jQuery?
I saw the answers here and although helpful, they weren’t exactly what I wanted since I had to alter a lot of my code.