Ajax :: Prevent From Having Redundant Same Request During Processing The Same One?
Dec 29, 2010
Assume we have one button that fires ajax request, ajax call will talk 15 seconds to load the results. Assume the user clicked on that button first time and waited for 5 seconds, then he/she clicked again. In this case the page will be loaded two times. i.e. first time will be loaded and after finishing the first ajax request, the second one will start!
Is there any way to cancel the second ajax request(both first and second ajax calls come from first button) while having the first one in process? The problem, if the user clicks more than one time on the same button, then a queue of ajax calls will be executed and the user will wait for long to process all of them. So I need to cancel similar requests that come after first request.
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Jun 2, 2009
I worked with now in jQuery. Property however at present the following problem: [i]I provide a AJAX Request. the side is loaded, the parameters all conveyed and back receives I a complete HTML side. Now I would like to have only certain elements however from this side, like DIV, SPAN etc. How can I make with the AJAX Request return in such a way best, which I can select these elements thereby? Simply it would be unfortunately not functioned over the function $ (element), it even if I indicate the HTML Request as secondly parameter.[/i] Excused, for my bad English. ;-) Translatertool. There is unfortunately too many words, in order to describe my problem. ^^
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Oct 16, 2010
I have a php page which returns a table representing a query sent to a MySQL database. So far it has worked in every case except now that I'm trying to use it to call a stored procedure, in which case the readystate is staying at 1 and never completing.
I have logged the results of the php file both in an error log and looked at the response from the request using firebug, both of which show a correct result.
Why isn't this returning properly?
Here are the relevant javascript functions:
Code:
function customizeType()
{
$("custom-header").innerHTML = "";
$("custom-top").innerHTML = "";
[Code]....
After the page loads, the error log shows correct results for all queries.
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Apr 15, 2011
I have resorted to using a forum after 2 days of head scratching. What I need is some script to monitor the output of a php file that outputs "yes" or "no" depending on weather it is your turn in a multiplayer game.I would like it to just check every few seconds (in order to not crash the server) if it has changed. While the PHP file is showing "yes" I want it to show some buttons to make a move and when it is showing "no" for it to just say something like "enemy's turn". I hear that this kind of thing could be achieved with jQuery and AJAX but I have never used JavaScriptI already feel like I'm making a big ask but if you don't mind I would also like a way of submitting your move to a php file to make the move (submitting something to MySql)
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Aug 12, 2009
I have a web application in which I want users to be able to submit a form. Something like this:
Code PHP:
<form method="post" action="index.php">
<input type="text" name="text" value="" />[code]....
Then when it is submitted, the data will be processed and the script which is processing the data will echo some data on-screen based on the data from the form.I need this to happen in an AJAX manner, ie: the page won't need to reload.how to go about doing this? I'll be using jQuery on the same page in case
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Sep 12, 2007
I am using a neat postload script to load a bunch of images into the user's cache after the page has fully loaded, and I have a quick question
<script type="text/javascript">
//<![CDATA[
function postLoad(){
if(!window.name.match(/preLoad.complete/gi)){
var images = new Array('img/EnglishOn.gif',
'img/EnterOn.gif',
'img/EntrerOn.gif',
'img/FrenchOn.gif',
'img/butt_1_blank.gif',
'img/butt_1_red.gif');
var loader = new Array();
for(var i=0; i<images.length; i++){
loader[i] = new Image();
loader[i].src = images[i];
}
window.name = 'preLoad.complete'
}
}
//]]>
</script>
Can this script be modified to check whether an image has already been loaded, and if so, not reload it? I ask because I may have a long list of images and if the user navigates to another page I would like the script to not re-download X number of images Code:
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Sep 16, 2011
I read a lot of data from excel sheets into JS arrays.I have a situation where i have name, hours, product id and other few entries.
I have all these details as array in array concept.eg.
array.push(new Array(name,hours,pid,price,place))
Redundant entries that include same names,pid, places will be found in the array.My prob is to sum up all the hours of the records that belong to same name and product id and store the unique records in one array and ofcourse the hours column sumed up.
name pid hours place
----------------------
aaaa 11 100 chennai
aaaa 11 200 chennai
cccc 22 30 coimbatore
[code]....
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Dec 1, 2010
I'm building a JavaScript-based calendar for a client that will require me to replace the page's HTML based on the user's input. For example, if the user clicks on a particular date, then the month/week calendar will be replaced with the day calendar. Needless to say, there are several event listeners involved. However, if I suddenly swap out the month calendar for a day calendar, does that mean that there are several event listeners in memory for elements that no longer exist? Or are those listeners destroyed when the elements are destroyed? Basically my question is, every time I swap out the HTML, do I have to detach all of the old events too?
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Sep 12, 2006
Anyone know how to return true or false to an event handler based upon the results that come back from a Prototype Ajax.Request call?
I have a link with an onclick handler that calls a function getLoggedIn(), which looks like the following:
function getLoggedIn(type) {
ajax = new Ajax.Request(
'includes/checkloggedin.php',
{
method: 'get',
parameters:'&type='+type,
onComplete: checkLoginResult
});
}
As any analysis of request.responseText occurs in checkLoginResult(), not getLoggedIn(), how can I pass an Ajax-response-determined return value back to the event handler?
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Nov 23, 2006
I have a graph that i need to be dynamic in the sense that a user would click a checkbox and select which info will be displayed. I can do this using php, but i want a seamless transition done. My thoughts are AJAX SO basically i need a way to send a a request to a php page lets say graph.php with a variable set liek so: graph.php?id=1
Can someone point me in the right direction regarding this please, i presume i can use the onCheck on the check box and have a small function to handle the ajax request, Just to summerize:
Checkbox Clicked --> Request to php page with a variable set --> Return the php page.
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Feb 16, 2007
I am currently creating a social network. On a profile if a user has comments they can delete them. I am running AJAX to update the database and display the comments refreshed (one deleted will no longer show). The data I am requesting includes the following...
<script language="JavaScript">
document.write("<a href="javascript:void(0)" 'CommentsTable', 'PostLink1', 'PostCommentText', 'ViewCommentsText')" id="PostLink1">Post Comment</a>");
</script>
<noscript>
<a href="comment.php?action=post&user=<?php echo $user; ?>">Post Comment</a>
</noscript>
My problem is that the JavaScript from the request does not work, I can only seem to display regular HTML. Is there a solution to this problem to make the JavaScript work or do I have to use an HTML alternative?
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Nov 29, 2011
i am making a request using Ajax (JQuery) and it keeps repeating the request, it almost seems like it is inside a loop even though it is not inside a loop.
jQuery.ajax({
type: "GET",
cache: false,
url: "<?php echo Yii::app()->request->baseUrl; ?>/member/updatememberinfobox/query/",
[Code]..
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Nov 29, 2011
I have the following test-script working:
$(document).ready(function(){
$('#up').mouseenter(function() {
$("#results").append('<div id="test123"></div>');
$.ajax({
url: "http://someurl.de/some.htm",
[Code]...
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Jul 13, 2010
Is there an way to cancel AJAX request?
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Oct 13, 2009
XP IE6 virtual PC for test, latest version of jquery the browser hangs after an ajax request. $.get("/myurl", {random: $.random()}, mycallback); I read that IE6 hangs for some cache searching stuff, that is why I added a randomstring with my $.random() but keeps hanging the browser.
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Nov 17, 2010
I have a problem with ajax URL, I need to change and append "/" before the reale URL. Below the example ajax request:
$get("mypage.php"......
I need to append "/" before mypage.php, and so modify the ajax url request. I tried with ajaxSetup beforesend without success...
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Jan 25, 2011
I'm writing a little application with JSF 2.0 + jQuery. My page contains a simple input form, a submit button and a div containing one div for each string that the user type in the input text field. i'm using JSF 2.0 ajax to send the request to the server and rerendering only the div-container, with the updated content. Initially the div contains a single div with a text example for the user. Every div inserted by the user has the style-class "user", so with jquery I manipulate all off them through a simple function.
Here my code:
But i've encountered this problem when I started using ajax: my jquery function doesn't work on the new content, so I started trying to resolve the problem with live() method as suggested in the FAQ and on several posts
So my code changed a little:
This code doesn't work at all after the submit event, so for test purpose only i've changed the event to click and ,using the event generated from the mouse click, it's working.
But obviously i need to apply my jquery function right after the ajax request and without the user's partecipation.
I'm testing this code on Firefox 3.6.13, but i need it to work correctly also on IE8, Chrome 8 and Opera 10
What's wrong in my code?I have bound the wrong event to the div-container and instead I have to bind the submit-event to the form?
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Nov 22, 2010
I use JQuery validation plugin to handle my forms, and I'm using the remote
option for some inputs, aside from the usual 'true/false' to detect if the field is valide or not, I need to get a php variable generated on the server, but I don't know how to do it
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Jan 3, 2010
Is it possible to wait until an AJAX request is completed before moving on to the next instruction. If an example is needed I will be happy to supply it.
BTW, I'm using jQuery for my AJAX requests
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Jan 25, 2011
Is there a way of using the Ajax httpRequest cross domain?
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Jun 8, 2006
My code for submitting currently submits to my database properly and I get a really simple xml response either <success type=Ɔ'/> (fail) or type=1 (success)
My question is this, given that I receieve xml back why does my code run all 3 onXXX methods? I can understand it running onComplete but not both onFailure and onSuccess. What events/factors determines whether these triggers are run? Code:
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Aug 11, 2011
I am struggeling to get an ajax request to work. The main issue here is that I can't fill in a select box from jquery for some reason. I was working before without jquery and used the method innerHTML() to paste options into the box, which worked fine, but now it's stuck. Here is a snippet of my code
function showResults(source){
var xmlData = $.ajax({
url:source,
async:false
[Code].....
I call showResults() on window.onload and debugging with firefox shows me that everything works fine, but the insertion, the browser just steps over the last line without inserting anything. The particular html code is
<select id="list1" size="6" class="box190" multiple="multiple"></select>
I am trying now since yesterday various variations, but none of them worked.
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Oct 8, 2010
how the yahoo ad serving script can be used to serve up ads up using JavaScript that isn't inline? I've attempted several things but it just seems like its impossible to do. Essentially, I would like to swap out a new round of ads per AJAX request. Any ideas? I've created a more friendly user interface for a site I'm working on but the thing is that the ads need to change every request since page refreshes are being eliminated. Otherwise, only a single impression may be tracked even though someone has visited essentially 100 pages, which is no good for the ad business.
Also, has anyone had success finding a way to delay the yield manager until the page has fully loaded? Sometimes the yahoo yield manager can take 10+ seconds resulting in a poor user experience and slow load time. Any ideas for that? Essentially, it would be nice to fully load the page than request the ads without using obtrusive JavaScript which seems to be the only way yahoo knows to do things.
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Aug 14, 2006
I wrote a form with a little DOM/AJAX to submit the form data. The page is being used in google ad campaign, so after a user fills in the form, a google script is run to count conversions.
I am having trouble getting the script to work properly. Since I am not reloading a page, I am including the file dynamically the DOM WAY. Below is a snippet of the code. The code is part of a function that runs when the readyState == 4. Code:
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May 11, 2007
I'm trying to update my page with either a yes or a no, I'm using Ajax for the request to the server. The request works perfectly, however when I try to update the DOM with the server response using $(this).text(response.waiting); and $(this).html(response.waiting);.
I've tried alert(response.waiting); and returns a valid response. So, the problem probably stems from the DOM.
$("#data a.waiting").each(function(i){
$(this).click(function() {
$(this).html('<img src="../img/loading.gif" id="loadwait" alt="Loading..." />').fadeIn("slow");
$.ajax({
type: "POST",
url: "waiting/ajax/",
data: "id=" + $(this).attr("name"),
dataType: "json",
success: function(response) {
$("#loadwait").hide();
$(this).show();
$(this).html(response.waiting);
}
});
});
});
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Aug 30, 2010
How do I set the user-agent header in an ajax request?
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