JQuery :: Prevent Multiple AJAX Calls From Button/link Push?
Sep 28, 2010
I am working on a project that relies heavily on AJAX calls, they are done in dozens of places. There are a number of places where I would want to prevent the user from submitting information multiple times (form submissions etc ). I am trying to think of the best way to accomplish this.
I could simply disable the element that starts the AJAX call upon the first click and re-enable it upon completion of the call. I have also seen examples of developers using a class to handle ajax calls that store an identifier for the call and if it is in progress any new calls with the same identifier will be ignored.
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Jan 12, 2011
Basically, what I am trying to do is call several ajax requests using jQuery on the same page, i know that all browsers are capable of requesting multiple requests. However in Chrome and Safari my website works fine, but IE, Firefox and Opera all only call the first request then dont call, the second two. I dont know why though?
All of the code for the site is here: [URL]
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Apr 7, 2011
I want to send another ajax request when one request is in process to get the status of first request.
If I call both the request the second request gets blocked till the completion of the first request.
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Apr 23, 2010
I'm trying to build a page that has multiple ajax calls on it. When you do it the old-fashioned way with XmlHttpRequest, you'd create a new xhr object for every call so that they execute simultaneously. If I try to do this in jquery it will only execute a call when the previous one has completed. This makes the page load time completely unacceptable. How to improve the performance?
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Dec 7, 2010
I have a code that triggers ajax calls on button click, it all works fine but every now and then, the click triggers 2 AJAX calls. When i look at these calls in FB i see they succeeded (they get the expected response) but i get Timeout (I've set it to 3 seconds).
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Aug 16, 2011
I have several ajax calls that originates from the same page its updating. It works perfectly in firefox but in IE it works for about 18 requests and then just stops until the page is refreshed. I thought it was a cashe issue but I have added a variable for that. I think it may have something to do with binding but I am not sure how to sort that. This is one of my functions.
[Code]....
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Feb 22, 2011
I'm trying to make a little loop that in each itteration executes a little php script to send mail with the mail() function. the php script returns either succes or failure. Now its my intention to append that msg to a div, after every execution.
$.ajax({
type: "POST",
data: dataString2,
url: "sendmail.php",
async: false,
success: function(result)
{
showStatus(result);
[Code]...
the show status(result) is nothing more then a .append(result) the zenMails(y) calls this function again to send the next mail. It does work though but it only updates the div after the entire loop is done, i 'ld think it ld do so after every execution since i call the showstatus when the synchronous call is done and only after that i call the next iteration. Is there anyway to work aroud this ? (making the call assync doesnt work , because the port for sending the mail would still be in use)
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Nov 3, 2011
This is a ? about Ajax, PHP and form processing. When I submit the form further below, nothing happens I didnt set the form-"action" to anything. I left it out, to make the form submit to the same page, so I can validate on the same page too (Which is not made yet, as youll see. The form does work fine when I used in a "normal php script", but when I include it using Ajax, the form doesnt submit after it has been sent to the page.
Anyone knows what is going on, and what I can do to make it work? I guess it must be the action attribute of the form which is wrong, but I dont understand that since i made the form submit to itself, by leaving out the action attribute entirely.
I have two links on a page, which calls a javascript function, opening a xmlhttprequest: I have only shown one of the forms, as they are almost similar, but there are two forms, in the real page, which displays depending on the link selected.
[Code]...
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May 18, 2007
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload == 'function') {
window.onload = function() {
oldonload();
func();
}
} else {
window.onload = func;
}}
addLoadEvent(myFunction1);
addLoadEvent(myFunction2);
addLoadEvent(myFunction3);
...etc...
My problem is that some of these myFunction#s include AJAX calls but
the calls depend on each other in such a way that myFunction2 will not
work unless myFunction1 has completed. So what is the "nicest" way to
make sure of this? I've considered putting a hidden element in the
HTML and then changing it at the end of each function call and have
the onchange event trigger the next function call. But this seems very
hacky and overcomplicated - surely there must be a simpler and better
way....?
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Aug 6, 2011
I have a simple form in a div...
On The Ocean: Edit Rates
Is there any way to achieve an effect somewhat like "How to Create an Animated, Sliding, Collapsible DIV with Javascript and CSS". Except Id like to be able to click the same link to open about 12 of the same forms below it (Each time I click the link, a duplicate form would appear below the above form but above the link so it can be clicked again).
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Apr 28, 2011
I'm using a service to remotely create a pdf - it creates a pdf of the page you're on. Unfortunately that includes the link as well. I'd like to push the pdf generator to a slightly different url which would remove the offending link. The link I have is:
[Code]....
but it is not fooled! It seems I need to edit location.href but I don't know how to do it!!
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Aug 25, 2010
append.php:
<span>test</span>
jQuery function:
$(function(){
[Code]....
The content will be added on the first click, but not on the subsequent clicks however. The hidden field gets incremented fine though.
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Jan 3, 2010
I'm trying to in make in a single function, multiple calls to the same file changing one parameter the problem is thatit is taking it like if I wasn't changing the parameter and is sending only the last value all the times.Here is my code:
$(function(){
$('#btn_search').click(function(){
// what to search for
[code]....
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Jul 5, 2010
This script is perfect to auto-scroll some text being sent in via php as a means of scrolling down to the bottom so users can read the incoming data. However, this one makes use of a button. how to make the script 'automatic' as text is being submitted to the div rather then by the push of a button?
Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
[code]....
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Nov 2, 2011
I'm developing an asp.net MVC app, and decided to take advantage of JQuery's great datepicker using the following code in my master page:
[Code]...
My problem is that the alert block of code never fires. When I change it to occur before the datepicker code, the alert fires but the datepicker part won't work. What am I doing wrong here?
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Jul 19, 2010
I'm trying to use the jqmodal dialog plugin and everything is working OK except for one minor problem. It seems when I click on the link, the expected action does not occur until I click the second time. Essentially I set up a small test form with a single line put into a table. In that data line is an href, which when clicked calls an AJAX function and returns text, which displays as a dialog. Like I said, this works fine except for the fact that the dialog does not show until the second time I click on the link. I added an alert box to the code, so I know the function is executed the first time the link is clicked
<script>
$().ready(function() {
$("#hrefClick").click(function(e) {
e.preventDefault();
[Code]....
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Nov 22, 2011
I've a js with a loop wich generate ten ajax calls, but I aboslutely need that the first will be executed before the others. how to ?
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Apr 14, 2009
I'm creating an AJAX page that is built using a PHP Class, ie the php looks a bit like this: PHP Code:
$wp_page->addjs('../var/savepolicies.js')
$wp_parser->page = "userpolicywindow.php";
$wp_parser->addlink("Home","../index.php","");
$wp_parser->addlink("Logout","javascript:logout();","");
$wp_parser->getpageid("501");
[Code]...
within this page that has been created, there is an AJAX tree folder which calls another page to be loaded into a DIV by AJAX again. Code:
[Code]...
I don't know why it doesn't work because the page has been loaded with the JS file, but as soon as the link is added afterwards it doesn't work. I take it this is because it doesn't know where to find the JS, but how can I overcome this?
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Feb 27, 2010
I'm experiencing a weird problem when trying to do a $.ajax call. When I pass 5 variables, with either GET or POST, the script runs as I would like. However, when I use 6 or more variables, the script does not run. Does anyone know why this is?
Relevant code (stops1-5 are defined as JS variables earlier in my script, and the alerts are for testing)
$(".barcrawl-stop-id").each(function(){
alert("running ajax function");
$.ajax({
url: "/handlers/ajax/barcrawl_reorder.php",
[Code]....
So, the way it is now, it works fine (I get the first alert for each instance of .barcrawl-stop-id, and get an alert at the end with the returned data). However, when I add another variable to the data, like stop4: stop4, the script does not run (all I see is one alert with "running ajax function").
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Aug 10, 2009
I am a newbie to using jquery and have been exploring it developing a new app. At the moment I have a number of AJAX calls to the server which I have been queueing in an array and using a single $.ajax call to handle all of them. However I know about the browser limitations of two calls per page (at the same time and want to implement this to speed up page updating). To test concurrent ajax requests I have setup various asp pages to with delays 1sec, 5sec, 10sec etc etc. and a test html file with the follwing javascript
[Code]...
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Nov 3, 2010
I know about the same-origin policy and that one of the only ways to load data from a cross-domain is to load it as JSON. However, all I am trying to do is access data from a server on another port (which I believe the browser still treats as cross-domain). I need to do this because the server my application is on is a map server and the other server (Apache) is the only one that can handle php scripts. I have also tried out the plug-in from [URL] and while it works when I do $('#phpContent').load('http://www.google.com'); it doesn't work when I try $('#phpContent').load('http://localhost:80/mapScripts/getFiles.php'); I have also tried$.get('http://localhost:80/mapScripts/getFiles.php', function(data) { $('#phpContent').html(data); });
So here I am breaking my brain and do not know what else to attempt.
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Aug 26, 2009
is there a possibility to chain AJAX Requests? By now i have 5 AJAX Functions where one calls the next (Button Click
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Jul 30, 2009
I am developing quite a complex user interface in jQuery that relies on an AJAX call to retrieve JSON.We have noticed that the code runs slow in IE7. IE8 and IE6 are acceptable. Firefox and Chrome really quick. I have traced the problem back to the AJAX call, which IE7 seems slow o process. What takes less than a second in the other browsers will take IE7 3 or 4. I have googled for an answer it seems there is some consensus that the native XHR in IE7 is slow, so it may not be a specific jQuery problem.Has anyone else experienced this? Does anyone have a solution? Please consider that this will be a public website, so the solution cannot involve altering settings on users' machines.
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Oct 27, 2010
I have a jquery based system with ajax calls instead of page refreshes. Every time I return some ajax content, it replaces the content on the main div.
function execcmdcallback(data, textStatus, XMLHttpRequest)
{
$("#divmain").html(data);
data = null;
}
Each time this executes, the browser memory increases by about 600-900kb. Can anyone suggest a way of doing this where the old memory is freed so there is no significant increase in browser memory on each ajax call ?
I've studied this a bit, [URL]..., but I have to admit I don't quite understand it I see the same issue on IE8, FF and Chrome. FF comsumes less memory per ajax call and frees some memory seconds later, but still the total working set is increasing on each call by 300k in FF and 600 to 900 in chrome and IE
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Dec 21, 2010
how to use jQuery I created my own AutoComplete Textbox (although there is one in the jQueryUI Lib). The users types something in a textbox and after 3 characters, the getJSON method is beeing called. This processes the data by calling another site and after received the data, it displays the result in a div tag.If a user types something, it automatically searchs - my problem is the delay. Because if a user continuous, he will already receive (delayed) results - so far it works as designed. My question is, how can I stop the other callbacks of being processed and only receive and display the details of the last callback?
Attachments
AjaxSearch.txt
Size : 4.14 KB
Download : 306
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Sep 6, 2011
I have a form which is submitted via $.post(). This posts data to the server script and then a response is sent back to the client script. I would like to prevent the execution of this post for 10 seconds after the first execution. This function is for a quick reply method, so naturally i dont want people to post replies every second, therefore i would like an interval between quick replies to discourage multiple spamming.
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