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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Apr 1, 2010
When retrieving JSON data I'm able to access individual elements using the $.each() function and iterate over them. However, how would I access just one element by its location and not by name? (i.e. data(0) not data.ID).
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May 19, 2010
Although i used getJSON in [url] i have not been able to connect with any of my own made up data. i tried 4, and the example at Flickr for "cats".
Only the latter worked... this is the output:
I am at that "base", as i did get the image there, but
[url]
[url]
[url]
[url]
Were all invisible==null!
How do i get "my" data into the page?
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Dec 21, 2009
I have this basic code following and its not returning anything at all. Even the alert is not alerting. I have checked and the select is sending the value fine But nothing happens on return. What i am missing?
$(function() {
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Jun 7, 2009
I'm using Christophe Beyls' Slimbox 2 to get the lightbox effect on a gallery of Flickr images on my site, and I'm trying to modify it to grab the description of the image and put it in the title of the lightbox. The photo id is already given, but I'm not sure how to get the description out of the anonymous function so I can concatenate it to the linkMapper return (el.title).
Code JavaScript:
linkMapper = linkMapper || function(el) {
var uri = 'http://api.flickr.com/services/rest/?api_key=[key]&format=json&method=flickr.photos.getInfo&photo_id=' + el.id + '&jsoncallback=?';
$.getJSON(uri, function(data) {
[Code].....
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Mar 3, 2011
I have used getSON() successfully before but I am meeting with an issue which I don't seem to get a hold on. The data object returned is not populated correctly by getJSON(). Am I doing something wrong?
[Code]...
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Jan 29, 2010
function get_something(){$.getJSON("get_something.php",function(json){ console.log(json.something);
How would I use the value of json.something outside of the get_something(); function?
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Feb 20, 2010
I have the following javascript:
<script type="text/javascript">
$(document).ready(function(){
// autocomplete setup
[code]....
The autocomplete (I'm using this one) and the getJSON work perfectly. The problem comes when I try to do something with the returned json data. Line 14 won't work for me. Any selectors I try on the returned json data won't work. The selectors still work on items that were there before the json data was returned.
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Mar 26, 2010
I am developing a jQuery application and I need to get a parameter from one getJSON request, then use it in another.
Here's a code example that of course is not working:
var ipAddr;
jQuery(function() {
// request IP address
$.getJSON("http://jsonip.appspot.com?callback=?", function(data) {
[Code].....
I know that getting IP address is very easy using PHP or other server side scripting language but I am bound on using HTML and jQuery only.
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Apr 2, 2010
Recently i tried to use getJSON to retrieve data from [url] and every time i tested in firefox, the console will always give me error on the line $.each(data.results, function(i,result) saying data is null. i am wondering how to solve this problem?
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Apr 6, 2011
below are my code
$.getJSON("http://mydomain.com/phptest.php?jsoncallback=?",function(data)
{
alert(data.a);
});
phptest.php echos out the following
{"a":"hello world"}
Yet, when i made the json calls(cross domain), it just return me nothing. However, under the same domain, I got the pop-up alert and return me the relevant data. But getJSON is suppose to be feasible across all domains irrespective of the same-origin policy.
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Oct 10, 2010
I'm trying to display data from mysql database using getJSON
this is the code JQuery Code
Code:
//get data from database
$.getJSON('getCategories.php', parseCat);
// display data
[Code]....
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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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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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Feb 25, 2010
I have a small piece of code:
$(":input").each(function(){
alert(this.name);
---->OK
[code]....
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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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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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Nov 15, 2010
I'm stuck with a "problem" on a website development. The basic structure ofthe websiteis that:
- There's only one main .php page
- There's a large div in it, initially blank
- Clickin on a link the div is filled with a portion of html code from another .php page, using load() functionplus # selector.
Now, teorically, my main page contains "more html elements", and initially I wrote some rows that changes the color oftexts when the mouse in on it:
$(document).ready(function()
{
$('ul li:first-child').hover(function ()
{
[Code]....
Simple. The problem is that the effect works on elements already written in the main page, but not onthe elements that come from the asynchronized html! How can I apply the effect on the "new" code too?
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Jul 12, 2010
I'm using the following code (simplified version) to call a Json file, parse it and on each iteration, create a div with an ID of "tab". I'm using this with jQuery UI .tab() to create a listing with entries which have three tabs. Anyhow, the principle seems to work except that when I examine what's happening behind the scenes using Firefox console, I see that each href in the html code produced is causing the Json function to re-fire using the href as it's url target.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
[Code].....
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Jul 23, 2005
I wanted to add additional data to my select function.
I tried:
<select id="sel_1" name="sel_1"
<option struct_id="24" value="4">Text 1</option>
<option struct_id="37" value="8">Text 2</option>
</select>
function dispSel(obj)
{
alert(obj.struct_id);
}
This did not work. I'd like to be able to add some other data
associated with the option in the select element.
Anyone have any other ideas.
One I thought of was instead of
<option struct_id="24" value="4">Text 1</option>
use
<option value="24|4">Text 1</option>
and then
function dispSel(obj)
{
var myarray=obj.value.split("|");
alert(myarray[0]);
}
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Jul 30, 2011
I have been struggling with an AJAX issue for 2 days now and have finally started looking for some help. This is my first post on this forum but by the looks of it , it seems to be full of people who know what they are doing so I humbly ask your advice on this issue. I want to build a javascript function which can retrieve data from an SQL database by calling a php script. For this I use the script underneath. There is off course a php-part to this but the problem is not situated there since the script runs smoothly if I put the returned value (ajaxRequest.responseText) into an html-element like a <div> for instance.
If I don't do this however and just want to assign it to a javascript variable (like shown below : window.out_text = ajaxRequest.responseText) it will not show when I call document.write(window.out_text); EXCEPT WHEN THERE IS A DELAY. So If I put alerters in there to slow down the generation of the final html, it seems to be able to write the javascript variable to the screen. Is this a bug in the ajaxRequest.readyState? Or am I doing this wrong? And especially: How can I solve this. Someone else on this forum must surely have already ran into this problem?
[Code]...
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May 22, 2011
i am using ajax to retrieve the img url path how am i going to use the img url path i retrieve and display as a image and i using javascript language anyone know? how to do that i try the follow way but don't work what wrong?
Code:
var descIg = "";
descIg += rssent[i].descImg;
var placeImg = document.createElement('img');
placeImg.src = descIg;
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Nov 2, 2010
var attrIndexes = [];
$.get(queryString, function(data) {
attrIndexes = data.split(",");
});
after running this code the original variable is empty so something is wrong
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Oct 20, 2011
I'm using jQuery Validate to validate my on-line things.it looks like a plugin issue, but my turn-arround was on ajax/param not on the plugin, so i put it on core.Today i faced a problem, that is: i use remote validation and i needed that all the form is submited to the validation. (this remote validation is like a bridge to the $.ajax)i have tried this, and of it is not the best deal, because it get the form on ready and don't change when the form change:
$('#nome').rules('add',
{
remote:
[code]....
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Mar 22, 2010
I am new to all this but making good progress and having fun in the process. I have written quite a bit over recent weeks (including a few $.post / $.ajax calls) for various sites/applications but this one is really puzzling me. Here is a snippet of code that is causing me problems.
[Code]....
The problem is that execution jumps from line 2 to line 6 ... ignoring the function(data) and I am not sure why. I get the correct value of "team" arriving at the perl script .... and the perl writes the correct json back. I just can't think where else I need to look to debug this - as I said, I have done something similar 5-6 times over the last few weeks - all without a problem. So I am sure I am doing something stupid here.
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Apr 1, 2010
When I use the ajax function to grab the remote content of some page, I would like to then apply jQuery selectors to that data. Does anyone know how this can be done? Let's say that I just grabbed the content from an html page. I would then like to be able to use a standard: $("#someID").val() to get the content of that page element.
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