JQuery :: Check The Response Of A Php Function
Jun 4, 2009
When I click on a link I have this event:
$.ajax({type: "POST",
url: "/req.php",
asynchronous: false,
dataType: "xml",
[Code]......
The php file check the "op" and call a function that return true (if the query is ok) or false (if the query is not ok). What I have to do to test this value? I mean....jQuery make the sync call, call the php script that run a INSERT query. I need to test in jquery if this QUERY was correctcly lanced. I try with the code above but I can understand that the success parameter is only for the good call of the php script, not for the response.
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Jul 23, 2005
I have an html for that when a user clicks the submit button it will
run a remote cgi program and based on the response do one of two
things.
1. If the response contains "OK" continue the form submit.
2. If the response contains "NOGOOD" Cancel the submit and return to
the form.
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Apr 5, 2011
I have a simple AJAX chat room and it's taking too much local bandwidth when it downloads. What I want to do is call a page with AJAX that checks for new entries in the database and sends a response if there are new ones. But if there's nothing new it just doesn't respond. That way a user won't have to download a response with no new material. Is this okay to do? Am I correct in assuming this will have a positive affect on bandwidth?
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May 17, 2010
I have an ajax post which returns a large html response. It is getting truncated at 98784 characters everytime. Is there a limit to a response size or a way around this?
Using: IE7
jQuery 1.4.2
jQuery UI 1.8.1
Here is my ajax call:
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Sep 27, 2010
The goal is to change the source on the fly (as with a firefox extension webdev or another or even Greasemonkey) to add a link. Until then, easy does it work well. This link launches an application ajax jquery like:
$.get(...) or even $.ajax(...)
If I'm on [URL], added my link, I click and it works, I see the ajax request and pass my "alert ()" gives me the return of application. Great! But if I'm on a site other than mine (the url of the ajax request is [URL] while I'm at [URL] for example), the return of the ajax request is empty.
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Aug 19, 2009
I have Javascript code that looks like this:
var data1;
$.post('save_search.php', formData, function(data) {
data1 = data;
});
jsonData = eval('(' + data1 + ')');
if (jsonData.return_status.search("successful") > -1)
$('#msg_div').html("<font color=red>Search was saved</font>");
else
$('#msg_div').html("<font color=red>Search was not saved. Try saving again.</font>");
"data1" comes up as undefined in the statement
jsonData = eval('(' + data1 + ')');
Even though "data" is a perfectly correct JSON string *inside* the callback function! I can put the eval statement inside the callback function and it will form a good JSON object, like this:
jsonData = eval('(' + data + ')');
I'm simply trying to get my Ajax response data to the outside of my callback function so I can use it in other Javascript code. I've never seen an ordinary function behave this way.
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Jul 20, 2009
I am using jquery.ajax() to make a POST call to web server which returns HTTP 201 response for successful creation of object at server. Since 201 is a success I expect the success function specified with jquery.ajax to execute but instead it executes the error function specified with jquery.ajax. Here is how I am using jquery.ajax call.
[Code]...
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Jan 28, 2009
I want a function that when you check on a check box another check box appears.
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Feb 17, 2007
I would like to be able to take some action (implemented in a
function) when a property is assigned a new value (much a page is re-
rendered when, for example, a style is changed). So if I do ...
myObject.myProperty = 5;
I want myObject.myFunction to be called. Is this possible at all?
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Jan 30, 2009
function refreshWindow ()
{
if (xmlHTTP)
xmlHTTP = null;
[Code].....
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Sep 13, 2009
I am having difficulty with the isNaN built-in function. Here is the code that I have written, with the event handler onchange, the function does not return the desired response.
CODE:
Here is an example of the event handler code...one of three calls to this specific function...
<input type="text" name="zip_billing" size="5" maxlength="5" onchange=" return checkNumber(this.value);" />
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Nov 4, 2009
I have created some code that alerts me the contents of all the child divs inside a main div
function CheckEventLayout(){
//check all divs in area and resize overlapping divs
var RunOnce;
if( RunOnce != true ){
var StartTimes = new Array();
var EndTimes = new Array();
var i = 0;
$("div#day-view-overlay").children("div.day-view-appointment").each(function(){
var DoOnce;
if( DoOnce != true ){
alert($(this).html()); .....
CheckEventLayout();
The problem is this code is on a page that is loaded via post and if you go off the page and then back onto it jquery seems to attach the function again so it runs twice. So need to unbind this function before the script runs again.
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Jul 19, 2010
I have made a mistake which in not so serious because I ambigginer on jquery.
So I am looking for some text editor with good grammar check function.
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May 20, 2009
I just started with Jquery:
<script type="text/javascript">
$(document).ready(function() {
$('#desperation input[type=image]').attr('disabled', true).fadeTo
("fast", 0.10);
$('#1').attr('disabled', false).fadeTo("fast", 0.70);
});
$('#1').toggle(
function () {
$('#1').click(function() {
$('#1').fadeTo("fast", 1.00).attr('checked', true);
$('#2').attr('disabled', false);
});},
function () {
$('#1').click(function() {
$('#1').fadeTo("fast", 0.70).attr('checked', false);
$('#2').attr('disabled', true);
});});
</script>
<div id="skill">
<form action="javascript:void(null);" method="post"
enctype="application/x-www-form-urlencoded" id="skillplanner"
name="skillplanner" >
<fieldset id="desperation"><legend>Freetrader Skills: Desperation</
legend>
<input type="image" src="files/icons/underdog.png" id="1"></input>
<input type="image" src="files/icons/dump_guns.png" id="2"></input>
<input type="image" src="files/icons/desperation_fire.png" id="3"></input>
<input type="image" src="files/icons/rum_ration.png" id="4"></input>
<input type="image" src="files/icons/hasty_fire.png" id="5"></input>
</fieldset></form></div>
The problem is with the toggle function. On click it should "check" clicked one and activate next one. Function doesnt work and I dont have a clue....
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Sep 4, 2009
Anyone familiar with this plugin?The docs say that it supportscolspans but it doesn't appear to do so.The script has acheckCellColSpan function defined but it is never invoked.I really
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May 19, 2010
I'm using the submit and ajax functions to check a form. When the form is submitted the submit event executes and within that event the data (a code the user has to fill in) is sent to the server to check if it's correct. If it is correct, the submit event supposes to return true (so the form submits), if it's incorrect the submit event supposes to return false (so submitting the form cancels).
Here's my code that should do this:
$(function(){
var submit = false;
$('#login').submit(function(){
$('span.error').fadeOut('slow');
$.ajax({
url: '/ajax/login',
type: 'POST',
data: 'code=' + $('#code').val(),
success: function(response){
if (response != ''){
$('span.error').fadeIn('slow').text(response);
submit = false;
}else{
submit = true;
}}})
return submit;
})});
But here's the problem: While jQuery does the ajax request, the script continues. So it will return false - even if the code is validated - because the var submit has been set to false at line 4. When I submit the form again, the form is validated because 'submit' is true (but that's set to true the first time). How can I ensure the submit function waits for the ajax request to finish?
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Mar 25, 2009
I'd like to call a function to check if a div with id content has a <h1> tag and if so change the divs background colour.
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Oct 19, 2005
How can I check if a function exists in any of the scripts on my page?
I prefer if it can work for both Javascript & VBScript.
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Jan 17, 2006
What is a cross-browser way to check if a function has been defined?
It seems that this code
if (myFn) {
myFn();
}
executes whether myFn is defined or not. When it is not, a JS error
results.
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Nov 24, 2010
I have a webpage with a single form. Under that form I have two separate lists of checkboxes. One set is called eventList the other is assigneeList.I have added two other checkboxes, one is as follows,
Code:
<input name="checkAllEvents" type="checkbox" id="checkAllEvents" onclick="checkAll(this.id, 'eventList')" />
The other is,
Code:
input name="checkAllDelegates" type="checkbox" id="checkAllDelegates" onclick="checkAll(this.id, 'assigneeList')" />
What I want to do is, check all the assigneeList boxes with the same value as the checkAllDelegates checkbox. And the same go the other set respectively.Through rummaging around I came up with the following,
Code:
<script type="text/javascript">
$(function checkAll(id, name) {
$("INPUT[@name=" + name + "][type='checkbox']").attr('checked', $('#' + id).is(':checked'));
});
</script>
However nothing seems to happen when I check the boxes, what am I doing wrong?
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Apr 8, 2009
I have a piece of javascript code.
1. It retrieves a value of a cookie (this works)
2. A function is called to check that only whole numbers were entered into an inputbox.
Code JavaScript:
When I load the page, the page gives a "The page loaded but with erros" warning, and the code doesn't work.
I call it using:
HTML Code:
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Mar 5, 2010
I would like to check if a function exists before define it. Does this make sense:
Code:
<script language="JavaScript">
if (typeof this.window['foo'] != 'function') {
[code]....
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Mar 7, 2010
I have a check box validate function that I use (below) to make sure that atleast one check box is checked before the form is submitted.
Code:
var checkFound = false;
for (var counter=0; counter < subscribeform.length; counter++) {
[code]....
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Jun 16, 2011
like IsNan for number is there any function to check only alphabets...
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Oct 4, 2011
Here is the HTML: [URL] I'm trying to uncheck the selected radio button, then set the value to 1 (Yes), basically overwriting theinitialvalue to 1. I've looked at prop(), val(), and attr(), and just don't know where to start. Should I select $('#set_q157 input') or$('#set_q157 input:radio'), or each individual radio?
Do I need to each them, and check if its checked, then change its value, or is there a way to select all three inputs as just one radial button? It would also need to work if the input has not yet been checked.
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Apr 19, 2006
i tried checking for document.function_name(), but that apparantly does
not work. Anybody got an answer to this one?
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