JQuery :: This.name Undefined In A Callback Function Of GetJSon?

Feb 25, 2010

I have a small piece of code:

$(":input").each(function(){
alert(this.name);
---->OK

[code]....

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JQuery :: How To Execute GetJSON Callback Function

Nov 18, 2011

I'm trying to execute a simple JSON request using getJSON but I can't get a successful response. My code is below. If I run this I always receive an error. If I add "callback?" (making it JSONP) then I can see the correct results in Firebug but the call back function is never executed.
function getResults(url) {
var gptUrl = "[URL]";
$.getJSON(url, {f: "json"}, function() {
alert("success");
})
.success(function() { alert("second success"); })
.error(function() { alert("error"); })
.complete(function() { alert("complete"); });}

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Jquery :: GetJSON() Assigning JSON Returned To An Array/var Outside Callback Function?

Oct 12, 2010

I'm trying to assign the values from the JSON data returned when I run this code into an array that's outside the callback function. The data is multidimensional, and I have been able to use this data within the callback function. However I want to use it outside that function. i.e. the jsdata returned in the code below is to be used outside the function

Code:
$.getJSON('../fxns/status.php',function(jsdata){
//do some stuff with JSON data or pass to global variable[code]..........

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JQuery :: GetJSON Fail On Callback - Callback Is Never Called ?

Apr 13, 2010

I use the getJSON request to fill a select (with cities names) after the user have choosen his region.

I paste some code:

The problem is that callback is never called. I used firebug and i have seen that when i change region the getJSON function is called and my script (python) return this JSON:

Why my callback is not called? I can't even get the alert ('callback time!'). I thinked that my json could be broken, but firebug net console read and parse it very well, so i think is valid JSON.

I also tried to split up the function declaration from the getJSON request, but it's no use.

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JQuery :: "success Callback Function" Of The GetJSON Function Is NEVER Called ?

Mar 7, 2011

I am trying to implement the getJSON function.

My code for utilizing the getJSON follows:

Where un in a reference to a Textbox.

I can debug and verify that the call to

Occurs and return correct answers.

My problem is that the "success callback function" of the getJSON function is NEVER called.

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Ajax :: Variable Is Undefined Outside Of Callback Function?

Mar 4, 2009

I have been trying to figure this out for a few days now and have finally come to the point where I think I got it but may just need a little push to get what I want.

Heres the situation:

I have this function that uses ajax to access a database and returns the results in the responseText. That part is working fine, I have confirmed that the responseText contains the information that I need

**************code*****************************************
//new ajax already created and assigned to the variable xmlhttp//
var response_recieved = "some data";
function get_answer(Table_Name, Field_Name, Data_Type) {

[Code]....

As evidence by my posting, this is not working correctly. The variable response_recieved is coming up undefined outside of the callback function assigned to the onreadystatechangeproperty.

Based on the information that I have gathered online from various forums, I believe this issue has to deal with a problem with closure in the callback function assigned to onreadystatechange property. I don't think it has any. Based on the fact that there is no anonymous function in that function. But my problem is that the call back function is anonymous itself... I think???

get the variable response_recieved to survive outside of this function.

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JQuery :: GetJSON Callback Is Not Fired?

Dec 8, 2010

I have setup a little example here: [URL] It is JSONP because of cross site policy. The returned JSON is valid, you can check the response in firebug. The callback function is not fired.

Tested with jquery 1.3.2, 1.4.2 and 1.4.4. Same result.

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JQuery :: GetJSON Callback Without Query String?

May 5, 2011

I'm doing some cross domain JSON requests and I'm unable to use query strings on my webservice calls (similar to codeignitor requests but without the work-arounds, qs params are entirely off the table). Is there another way I can format the callback variable to the url request?

for instance if I need to call the following url:

[URL]

is there some way I could call the url

[URL]

instead of:

[URL]

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JQuery :: GetJSON Success And Error Callback?

Oct 11, 2010

I'm using getJSON to load data from the database onto a form. How can I specify the success & error callbacks? here's the code I'm using: EDIT: I managed to get the success callback by adding it below the $('fontSize')... but how can I set the error callback?

[Code]...

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JQuery :: GetJSON Returns Undefined Object?

Feb 25, 2010

I'm doing something with grails + jquery. My controller send a rendered json (which I know is sending correctly) but when the object "arrives" in the callback method it comes undefined. I can see it lenght, but not it's content.

[Code]...

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JQuery :: GetJSON Returning Undefined Instead Of XMLHttpRequest?

Sep 19, 2009

I am using getJSON to get results from a different domain and i wantedto get _some_ object back when calling getJSON so that i can insertsome variables into the callback scope.Basically, what i wanted to do was this:

var new_json = $.getJSON(url, function(data) {
alert
(this.variable_from_caller);

[code]....

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JQuery :: JQuery.get() And JQuery.getJSON() Callback Fails

Feb 8, 2010

I've been attempting to use 1.4.1 but I'm finding that $.get() and .getJSON() callbacks fail. The XHR requests succeed. I can examine the full request in both Chrome and Firebug. However, the callback functions *don't* execute. To test, I tried the same url with both 1.4.1, 1.3.2, and via a raw XMLHttpRequest(). The last 2 requests succeed, 1.4.1 fails. //v1.3.2 WORKS, fails in v1.4.1 $.get('/topic/api/template/list', function(data){

[Code]...

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JQuery :: The "data" Parameter Is Always Undefined In The Success Callback In 1.5

Apr 13, 2011

I have a really simple scenario which got broken after upgrading to 1.5.the defined handler for the success callback in $.ajax doen't set the data parameter - it's always undefined. This works fine in 1.4.4.

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JQuery :: GetJSON Function Not Entered - Not Working?

Jul 24, 2010

The GetCats function is called. However, when it return, thegetJSONfunction is never entered. I have tried several ways. Am I doing something wrong, or is my JsonResultinvaliFrom Controller Class:

public JsonResult GetCats()
{
// enters and returns fine

[code]....

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JQuery :: GetJSON - Use Retrieved Data Outside Function?

Oct 20, 2009

In the code below the second alert is executed before the first one making it show the "empty" content, and not the result from the .json file. Why, and how can I make it work? getjson.html file

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[URL]">
<html xmlns="[URL]"><head>
<title>getJson</title>
<script type="text/javascript" src="[URL]"></script>
<script type="text/javascript">
$(document).ready(function(){
var content = 'empty';
$.getJSON("getjson.json",
function(json){
content = json.layout.template[1].content;
alert(content);//This work
});
alert(content); //This don't
});
</script>
</head>
<body></body>
</html>
getjson.json file {
"layout": {
"template": [ {
"key": "01",
"content": "<span id="span1">010101</span>" },{
"key": "02",
"content": "<span id="span2">020202</span>" },{
"key": "03",
"content": "<span id="span3">030303</span>"
}]}}

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JQuery :: Write A Function That Accepts A Callback Function?

Oct 10, 2009

how can i write a function that accepts a callback function?[URL].. i want myFunction to load some data via(an unordored list actually) load method end then somehow to return the wrapped elements for the callback function, exactly like load() does.

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JQuery :: Callback Function After SwitchClass()?

May 12, 2009

I'm trying to do some animation designs. Basically where I'm stuck is I have a bunch of things I want to do, but not until the duration of the switchClass method is complete. Looking at the UI documentation site, there doesn't appear to be a callback ability. how I can make a callback on the switchClass?

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JQuery :: Add A Callback Function To A Plugin?

Oct 5, 2009

How do I add a callback function to a plugin so that i can execute another function after the plugin completes its own processes.

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JQuery :: .next() Not Working When Using In $.get Callback Function

Apr 5, 2010

When i use

$(".rateit").click(function(){
$(this).next(".rateoptions").html('My options data here');
});

It works smoothly, But when I use this in a callback function it doesn't work as follow;

$(".rateit").click(function(){
$.get("test.php", function(data){
$(this).next(".rateoptions").html(data);
});
});

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JQuery :: 1.6 Load Function Callback Bug In IE?

May 9, 2011

I think that in jQuery 1.6 the callback function is failing in IE(8).I've reverted back to jq1.4 and all is okay. Sample code that fails in 1.6 for IE

8;$('#add_edit_contact_content').load('company/ajax/dsp_addEditContactContent.cfm', function(){
alert('loaded');
});

The error reported is; Message: Could not complete the operation due to error

80020101.
Line: 16
Char: 11777
Code: 0
URI: http://localhost:8300/XXXXXXXX/application/scripts/jQuery/jquery-1.6.min.js

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JQuery :: Use A Callback Function With Remove() Of Api?

Apr 19, 2011

how i can use a callback function with remove() of jquery api

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JQuery :: Using An Inline Callback Function?

Jul 5, 2010

Having a really hard time getting this to work, could use a little guidance on what I'm doing wrong....the code should be fairly self explanatory....

function callbackTest(file, callback)
{
$.get

[code]....

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JQuery :: Using Return In Callback Function

Sep 30, 2010

I have some problem using the $.post function. I wrote a function that test if a username is already used in my database. That function must return true if the username is free and false in the other case. My problem is that I use the $.post function and I put the return true; and return false; in the callback function. So it's the callback function that returns true/false instead of my function !

Here is my code :
function validateName(){
$.post("ajax_is_name_used.php",
{name: $form_name.val()}, function(data) {
if (data.success == 1) {
$form_name.addClass("error");
return false; // Problem, we are in the callback function !
} else {
return true; // Problem, we are in the callback function !
}}, "json");}

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JQuery :: Using The Callback Function For .load()?

Aug 5, 2010

I'm a jQuery novice and I think I've gotten myself in over my head here. I have a #Calculatebutton with a click function attached which, when clicked, iterates through a form and sends the users input values, via $_GET, to a php script called'prepsession.php'. Here the inputs are validated and sanitized, a session is started and some session variables are created using the form input values. If there are any errors I want error messages displayed beside the form. Everything works fine up to this point.

If this script runs ok without giving any errors I would like to fire another php script called'printsummary.php'which accesses the previously created session variables and inserts them into a div #PanelContent. The reason I am usingseparatephp scripts for this is that I would like to be able to print my data in various different ways so I have numerous php print scripts accessing the session variables.

[Code]...

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JQuery :: Callback Function Doesn't Execute?

Sep 8, 2010

$("#scroll").hover(function(){
$(this).find(".front").stop().animate({
top:"184px"},500,function(){
$(this).find(".front").stop().animate({ top : "7px"}, 300);
});
});

I try to make a scrolling picture. when mouse roll over the image with .front class will scroll down, but it has to come back after mouse roll out. the scroll down is working but I wrote a callback function, but it doesn't work.

html part
<div id="scroll">
<a href="../images/big_html/babytracker_b.png">
<img src="../images/thumb_html/jukebox.jpg" />
<img src="../images/thumb_html/Tracker.jpg" class="front"/>
</a>
</div>

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JQuery :: Callback Function Executes Immediately?

Feb 13, 2011

am having a little bit of trouble with a callback function that seems to be executing immediately rather than waiting for the animation to finish.

[Code]...

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