JQuery :: Json Considered The Better File Format For Loading Data Via AJAX?
Aug 14, 2011
Is Json considered the better file format for loadind data via Jquery AJAX? I am going to use it either way, but from a cutting edge stand point, is JSON looked at a more cutting edge since it loads faster. 2. And for that matter is anyone using css3 and E4X? All these seem to require the latest versions of all browsers. Since my goal is to be cutting edge I was thinking to do some stuff in the above listed that require only the latest browser if it is detected, if not use what works in most all browsers? What are cutting edge web app developers really doing at this time?
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Aug 24, 2011
I have some DIV elements having some ID and content in it .. for example
I have submit button when I click this ... I should generate a JSON data structure like this
I need to POST this on submit button clicking.... I have seen some serializeArray() function but it works well for form based elements, I have created some string based structure in which I am printing the single quotes and double quotes like this fashion by creating a array and pushing itvar result = new Array();
Is there any short cut to create JSON with this datas ...
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Nov 1, 2011
I am retrieving a string in json format from a php file and assigning it to a var in javascript
string = {"name": "piet", "id": "45"}
how do i convert this string into a real json object?
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Jun 8, 2009
I'd like to learn how data is passed form one file to another and then displaying at when an error occurs. I have this php script that checks if an domain really exist
[Code]...
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Sep 23, 2009
Getting information from a php file. Basically :
MY JAVASCRIPT FILE:
In this dumb example, I'm unable to match the 'data' returned variable with the value I assigned to it in php (I can't manage to enter my 'do stuff'), yet its value is 'ok' if I display it. I have no problem to retrieve html code from php and inject it in my pages, but I can't test it as a regular javascript string.
What's wrong in this ? What have I missed about the 'data' format ? Do I have to 'cast' data to a javascript string (and if so, how ?)
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May 4, 2010
I think I have a varialbe scope problem here, but I can't figure it out. What I'm trying to do is extract a piece of data from a JSON file using a variable established earlier in the script as one of the keys.
When I run this script I get the alert that lets me know that the variable "theMappableItem" has been established correctly. I click "OK" in the alert box. Then in my console (in firebug) I see a line showing that the .json file has been gotten successfully. Next in the console is an error that says:
[Code]...
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Jul 12, 2009
I have a form that asynchronously submits to a PHP file. The PHP file returns the following:
PHP Code:
echo json_encode($array);
In my Console, I see the following:
Response:
{"groupname":"XYZ Group","id":4}
How do I display that JSON code through jQuery code?
Here's the jQuery code I have so far:
Code:
$.post("addgroup.php", { groupname:f.groupname },
function(data){
$("#groups tr:last")
.clone(true)
.insertAfter("#groups tr:last")
.html("<td class='tbldata'>"+ /* Returned JSON data (groupname) */ +"</td><td class='tbldata'> /* Returned JSON data (id) */ </td>");
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Jun 2, 2009
Scenario:i have a user form, and want to modify user details. all user details are from json file. Prob:how can i modify external json file with its updated user details? or what available function to be used?
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Jun 1, 2010
How can I get the json that this url generates?[URL]... It returns a json object as a file to download, I've tried getting the data as jsonp, but it needs a callback in the feed, but I can't generate it cause the server which generates the code is external.
[Code]...
Couldnt make it work using the get method. And using other data type just would make the incoming data as null (even including ?callback=? in the url).
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Aug 18, 2011
I want to know how to delete the returned JSON data.
ex:
$( "#clickme" ).click( function(){
var dataString = "something=" + somethingelse;
$.ajax({
url: "do.php",
[Code].....
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Sep 6, 2011
I am trying to use jquery, json, ajax to display data in a list.
The js:
The div to hold the returned data:
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Oct 1, 2010
I am doing a JSON request to get data back from a PHP file. On the return of that data, I am using a for loop to go through the data and post it up using JS. Here is my code:
for (var x = 0; x < data.length; x++) {
//create a container for each comment
var div = $("<div>").addClass("entry round").appendTo("#characters");
//add author name and comment to container
$("<div>").addClass("details").appendTo(div);
$("<span>").addClass("main-armory button").appendTo("div.details");
}
Now, what is happening, because there is 10 entries being posted, my JS is looking at the class that is being put together (main-armory button) and making it so that class appends every run through. So, I want one entry for main-armory button and I am getting this:
<div class="details"><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span><span class="main-armory button"></span></div>
And then, when it goes down to the next entry, it has 9 spans, and then the next entry has 8 spans, and it continues all the way down. What is going on here that I am missing? I know that I am not clearing a variable properly or something is wrong within my loop.
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Jun 14, 2011
I have this code:
var dataString = $.toJSON(data);
$.post(url, {dataValues: dataString}, function(res){
$('#secretIFrame').attr('src', url);
$('#secretIFrame').html(res);
});
Problem is, I can't access dataValues at the server side once I assign this same URL to the iframe.Is there any other way to POST JSON value through form submission without ajax? or any other way out, I am trying to download file that is based on some parameters and isn't a direct download link.
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Sep 6, 2009
What is the best way to server AJAX data and why? JSON, HTML, or XML? Which is best?
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Dec 16, 2011
A program I am writing will be loading the data of a file into an array. This data is read as an image and is displayed. Part of it will be the modification of palettes, so if I click Palette 4, it would go in and edit the array to have new contents (predefined by me) and redisplay the image in place of the one that was there before. How would I load a file into an array and display it as an image and stuff?
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Jun 9, 2004
how to load an XML file into a DOM. I can get it done in IE, but in mozilla I am missing something. Here is what my loadXML() function looks like:
function loadXML(){
try {
xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async = "false";
xmlDoc.onreadystatechange = verify;
hasFile = xmlDoc.load(info.XMLDocument);
if (hasFile){
xmlObj = xmlDoc.documentElement;
allTopics = xmlObj.getElementsByTagName("topic");
}}
catch(e) {
xmlDoc = (new DOMParser()).parseFromString(document.getElementById('info').innerHTML, 'text/xml');
hasFile = true;
allTopics = xmlDoc.getElementsByTagName("topic");
if (hasFile){
allTopics = xmlDoc.getElementsByTagName("topic");
alert(allTopics[0].firstChild.getAttribute("name"));
}}}
Where verify is another function. The try part works for IE, but the catch part doesn't work for Mozilla. I am not finding any information as to really use an XML DOM properly in Mozilla. I'm trying to get allTopics to be a handle on the same thing in both the "try" and the "catch".
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Nov 12, 2011
I am trying to replace the names of each link in my html page with $f1 (Page) and replace some content with $f2 (Description).
How would I insert the data from this php file into my html page?
output.php:
mysql_connect(localhost,$username,$password);
@mysql_select_db($database) or die( "Unable to select database");
$query="SELECT * FROM Pages";
$result=mysql_query($query);
[Code].....
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Feb 28, 2011
How to fix browser cache and notmodified respond for JSON? jQuery.aja ({ifModified:true}) break on data respond (bug ticked for it was closed like invalid).
Are there any other solution to get 304:notmodified without breaking cache and data respond?
First time browser request [url] returns status 200 OK and nexts 304 Not Modified
XHR first time returns ok:
But on next times returns data undefined:
How to solve it? Expected result:
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Jul 2, 2009
i just leanerd the existence of the ajaxSubmit jQuery plugin,im wondering if there is a way to use the JSON both to send and retrieve the requests .I mean, no the plugin have the option 'dataType',that is used to specify the format that the server will send back, but i need to send the form as jquery to the server.For example, if my form looks like:
<form name="mytest" action="mypage.php" method="get">
<input type="text" name="firstone" id="firstone" value="here some
text!" />[code].....
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Sep 8, 2010
I have set of html pages that are installed locally on machine. I want to make ajax call to local files. In Firefox everything works fine. IE is able to load html pages through ajax call but not able to load xml document.
Chrome doesn't support ajax call locally...and I don't care about it. I need it to work on IE & firefox.
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Dec 5, 2010
Server-side code returns a JSON representation of a query like this:
{"recordcount":3,"columnlist":"messageid,messagetext,dateposted,firstname,lastname","data":{"messageid":[3,2,1],"messagetext":["hello? is this thing on???","what? why?","Hello, and welcome!"],"dateposted":["{ts '2010-12-05 11:32:51'}","{ts '2010-12-05 11:32:17'}","{ts
'2010-12-05 09:44:30'}"],"firstname":["Mortimer","Tom","Waldo"],"lastname":["Who","Dickenharry","Emerson"]}}
Makes sense, and jQuery converts it to the equivalent javascript object when it comes back in an AJAX response, but I'm having trouble using that with the template plugin. It apparently expects an array of individual objects, each with a field for each query column.The server response is an object containing recordcount, columnlist, and data members, where 'data' is an object keyed by column name, whose values are arrays with the data for each record. It's equivalent, in a familiar format, and a much more concise representation than the javascript for an array of individual objects, since it doesn't repeat the column names for each row, but it's not the same.
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Jun 29, 2011
I have got my ajax file calling the php file properly and executing some code in it, but nothing will get returned with json_encode().
Right now I am skipping form validation and just trying to get a response back of any sort:
Currently my site just shows the 'processing...' string but will change my css class to indicate a sucess.
Here is my ajax calling the php file:
When I change .html(data.msg) to something like html("<p>hello world</p>") I get the string back. So this line is working, but just not recieving 'data.msg' from my php file.
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Sep 13, 2010
I am attempting to do two things and I'm missing a vital element: ajax call to an XML file to be inserted onto a page, FOLLOWED by selecting these newly created elements to apply event handlers on them. I am near certain that the problem is that the selectors are not 'seeing' these elments and it's an issue of running the event handler only AFTER these elements have been loaded.
How do you do this? I already have a $(document).ready(function() { in order which I naively thought would take care of this exact issue...
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Oct 20, 2010
I have a JSON structure in API.When I call the API in my code it returns as the same JSON .I have to print this JSON result as table with pagination in Javascript. The table should be dynamic with previous and next buttons and the table should populate the results according to the JSON and each page should have 20 entries and then the remaining entries should go on the next page and I should be able to go back and forth in the table using previous and next respectively.tell me the exact code of how to start with getting JSON from the API and then write the JSON data in the form of dynamic table with pagination.
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May 25, 2011
I have a function which shows the caption of an image in a span tag part of an image slider. The idea is that when the function is called I change the image (this is fine), hide the span containing the alt tag info, change the text to the next image's alt tag and show it again.
The whole thing works fine exept for one thing, I have added a delay before I change the text content of the span tag but it does not seem to take the delay, the text is changed immediately as teh function is called:
$('#caption_content').slideUp(500).delay(1000).html('<p>'+caption+'</p>').slideDown(500);
Am I using delya correctly there or may be it does not work with .html()?
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Apr 15, 2010
I am developing a script to work along side my joomla website and i am wanting to develop a script that connects to my database and refresh's certain divs every 2 seconds without the user noticing this,
only issue is that joomla isnt wanting to work with me on this,
Here is my code,
Code:
<script src="http://code.jquery.com/jquery-latest.js"></script>
$user =& JFactory::getUser();
if($user->username)
[Code]....
since when i do that i get nothing on my navagation where user information is displayed and displays the enter layout in the div right_contenta So can jquery does this.
How can i fix this and get my right_contenta div refreshing every 2 seconds with my joomla layout
in otherwords i want my ajax to load and refresh the information located at profile2.php?user=admin which has all user information coming fom database and refreshs every 2 second
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