JQuery :: Passed By Reference In An .each Loop?
Jun 3, 2010
I've made a trivial html page to show my problem. This page should take all of the <tr> tags from the first table, move them into the second table in reverse order, and change each <tr> tag's click handler to print it's internal <td> tag's contents.Unfortunately, the function I've set as the click handler seems to be passing a variable by reference rather than by value. I'm sure this is probably the expected behavior, but is there someway to prevent this behavior?If this doesn't sound very clear, hopefully the code I've included will make more sense:
<html>
<head>
<script type="text/javascript"
[code]....
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Mar 27, 2010
I have just started using the data functions in jQuery for keeping track of a few items on the client. The user can click on links, which call a function that updates the display and stored data value.I am storing data as a set of columns, named c1, c2, c3 etc.
I update the relevant column like this
function UpdateCol(column)
{
[code]....
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Jul 29, 2011
I have the code below, how could it be modified to loop over and over and reload the xml file each time. Flow would be: load xml, run thruogh code to display each xml node one at a time, when reach last node, start all over, reloading xml file,
[Code]...
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May 31, 2011
Here's the deal: I have a JQuery page in which I'm using AJAX to call a classic ASP back-end. For example purposes, let's call the page "JQuery.asp", and we'll call the back-end "BackEnd.asp".My BackEnd.asp is set up as reusable code, using JQuery.asp as my wrapper.BackEnd.asp includes the following line:
GetID = request("GetID")
So, my JQuery.asp would look like this:
$(document).ready( function () {
[code]....
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Apr 26, 2011
I'm trying to grab a value passed in from a URL, i.e:
test.html?foo=bar
And I would like to grab the "foo" entry, with the value passed in. I'm guessing this can be done, but I can't find a way?
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Jun 24, 2009
If I have a plugin thats being called...
$('.myClass').somePlugin();
How do I pull out the ".myClass" part inside the plugin?
jQuery.fn.somePlugin = function(o) {
// Defaults
var o = jQuery.extend( {
option1 : 'something',
[Code]....
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Nov 20, 2010
This is the first question I couldn't find answered by Google! No doubt the answer is out there, but...
So I have a function that is being passed an array of nodes: some of them plain vanilla DOM nodes, (say, those created by document.createElement), others are jQuery nodes (say $("<div></div>").
What's the best way to determine if a node is of each type? I can obviously look at the node contents, but I wondered if there was a "best practices" here?
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Aug 3, 2011
How I use $.ajax() for passed argument to php function other file example index.php.
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Oct 22, 2010
I am wondering why:
$.post("remote.php",
{'f':a_searchtype, 'partial':value},
function(data){
$("#result").html(data);
[Code].....
causes javascript errors in unrelated sections of code.
The second version can be used in a common routine that doesn't know what is being passed.
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Dec 24, 2009
I'm passing the id of a div as a parameter. I'm not sure how to refer to it with Jquery. The following does not work:
Code:
function updatemail(param1, param2) {
$("#param2").animate({ opacity: "show" }, 300);
}
I also tried $(param2) but it did not work.
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Apr 28, 2011
I want to call a javascript function when a <span> is clicked, pass two variables to it, and then use jquery to hide that span.
A simple example is:
The variables (1,3) & (8,9) are loaded dynamically with a php script. Adding the two variables together isn't the intent of the script, but it seems the simplest way to explain what i'm after.
So how do you get $(this) to work in a function that has to have variables passed to it?
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Aug 24, 2009
Is there any was to prevent ampersand from splitting up the passed data? For example if my data looks like: "This is some text&blah blah" If I pass it as data it will get split up at "&": This is some text blah blah
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Sep 21, 2010
I've run into a very perplexing problem, and it's probably mostly due to my lack of knowledge of what I'm really trying to do. I've created a C# PageMethod that accepts three parameters (string name, string xmlData, int CubeID). In my javascript, I've created a function to call the pagemethod passing in those values. However, when trying to pass in the XML I continually get odd errors like "Invalid object passed in" followed by my entire xml structure with escape sequences in it.
[Code]...
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Feb 4, 2011
jQuery is ignoring the root element when passed through context. Am not sure if this is intended behavior.[URL]
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Jan 13, 2010
I have some forms whose ID's are dynamically created via PHP by including a variable called "invno" as shown here:
<form name="formEditInvoice<?php echo $invno ?>" id="formEditInvoice<?php echo $invno ?>" method="post" action="javascript: SubmitEditedInvoice(<?php echo $invno ?>);" onsubmit="javascript: return ValidateForm(this);">
As you can see in the "action" attribute, I'm calling this function:
function SubmitEditedInvoice(invno) {
$.post('output.php?mode=6&invno=' + invno, $('#formEditInvoice' + invno).serialize(),
function(output){[code]....
The problem I'm having is that no data is passed to the PHP back end. I have verified that the variable invno is correctly passed to the javascript function, and have tested my .serialize() by using a hard-coded form ID, but I still get no data passed through.
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Jun 24, 2009
Here is my server side code:
Here is my javascript:
When i call alert(data), it says it is "undefined". i am new to jQuery, but this appears to mean that no data is being passed to the callback function even though i know the $.post() executed properly (the server side code is executing, and the other alert() tells me that it had a successful result and the callback is being made.
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Aug 23, 2010
I am trying to match a passed parameter on a url to an area on an image map. So far I can find the correct area using
Code:
$('#mediummap area').each(function(i){
href = $(this).attr('href');
if (href == id) {
alert('Found ID ' + id);
}});}});
But next I need to retrieve the co-ordinates for the Area. I have tried
Code:
coords = $('this').attr('coords');
And
Code:
coords = $('this').coords();
I can not seem to get the value back, just an undefined return. What I want to do is to find the point on the image map and then centre that point with in the viewport for the image (large image, small viewport).
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Jan 25, 2010
I have an object on the document element that allows for other components to register with it, i have a custom event something along$(document).bind("register",function(thechild)..So in the child object when they are created i call$(document).trigger("register",this);And indeed i get the DOM object. However i'm looking for the plug in object, i want to be able to call methods on the passed childobject and access it's Config.Does that make sense? How can i write a plug in that is applied to various objects that also registers itself with an 'overseer' object on the document element in such a way that i can allow that overseer object to call methods on any registered child objects?
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Aug 24, 2011
I have been working on this issue for a couple of days. I have image names stored in my mysq. database. I need to somehow get those image names from the mysql database to a jquery array.Here is what I have so far.
<style type="text/css" media="all">
.frame {
border:solid 1px #00F;[code].....
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Aug 6, 2009
After a user hasn't triggered an event for a given amount of purple,would it be possible to trigger that event anyway?
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May 22, 2011
I'm working on a project where i have a div in which i dynamicaly load some text.
No problems yet.
Trouble is, the width and height of the div is limited.
So in order to show long words (over 16 characters long) i need to break up the words.
CSS3's new "word-break"-property enters the arena.
Now the real problem shows it's ugly face.
When passed by jQuery's .css()-function, no "word-break" appears in the HTML.
The problem seems to lie with jQuery, since it works on jsFiddle.[code]...
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Aug 10, 2011
I am looking for a TimePicker that will prevent users form selecting times that have already passed, is this possible?
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Jan 22, 2011
I have been looking at this code for two evenings now, and rewrote it 4 times already. It started out as jQuery code and now it's just concatenating strings together.
What I'm trying to do: Build a menu/outline using unordered lists from a multidimensional array.
What is happening: Inside the buildMenuHTML function, if I call buildMenuHTML, the for loop only happens once (i.e. only for 'i' having a value of '0'.) If I comment out the call to itself, it goes through the for loop all 3 times, but obviously the submenus are not created.
Here is the test object:
test = [
{
"name" : "Menu 1",
"url" : "menu1.html",
"submenu" : [
[Code].....
'Menu 2' and 'Menu 3' don't show up! I'm sure it's something small that I'm overlooking.
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Aug 4, 2011
I'm looking to send a loop variable (i) to a function inside the loop, but I can't seem to get it to use the value I want, it keeps making it a reference of i and therefore the function is always called using the last value of i rather than the one it was set with.
So if i have 5 Tabs then Tab 1, when clicked, should call DefaultTabClick(0) and so on rather than always using 4 for any of the tabs.
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Sep 15, 2010
What I'm trying to do is when the mouse hover on the level1 class, I want level2 class change it's background color. But I do not know how to reference a subclass.
<div class="level1">
<span class="level2">One</span>
</div>
[code]....
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May 31, 2010
Where can I find API reference ? for example, on the web, I found Dates documentation[url]...
then I try to find similar docs in official JQuery website, failed.
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