JQuery :: Encountering A Snag When Attempting To Dynamically Populate Multiple Dynamic Select Elements?
Jul 16, 2010
I'm encountering a snag when attempting to dynamically populate multiple dynamic select elements. I have the following object hierarchy Field --> Category --> Expertise which are displayed within a form as select elements, e.g., when 'Field' is changed then the 'Category' is repopulated based on the root index value of 'Field' and then 'Expertise' is repopulated based on the root index value of 'Category'. Below is the code I'm using:
<div class="formRow">
<label class="desc" for="Job_Field">
Field:</label>
[code]....
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Oct 12, 2010
I would like to have a jsp page with a form consisting of several inputs and selects. When page loads for the first time, there is only one select (with values taken from database), but after clicking on link "add", the subsequent selects are added (using JavaScript and DOM). It seems to be pretty easy task, but I'm not sure how to populate the newly created select with data.
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Mar 7, 2010
I've been stumped. I'm usually good at figuring this stuff out, but I'm completely confounded here.I have a form with tables in it to add items to a series. The rows are being added dynamically by Jquery on the click event.
$('#add_hybrid').click(function(){
$('#hybrid tr:last').after('<tr><td width="15%"><?=brands('hybrid');?><input name="clubtypes[]" value="6" type="hidden" /></td><td width="25%"><?
[code]....
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Feb 10, 2010
I have a markup structure like this. code...
I will be adding 3 additional <div class="slide"></div> after the first one dynamically on $(document).ready(). In the DOM, it looks like this. code...
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Jun 29, 2010
how to populate a dropdown based on Another dropdown selection. This all should be a dynamic. Eg: I have two text boxes one is TechID and other is JOB ID. When I start typing Tech ID it suggests me the list of IDs which start with the input string i have put in Tech textbox. When i select the Tech ID the jobs associated to that Tech ID should be displayed in JOB ID text box as a dropdown list.
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Sep 15, 2011
Basically, i have a CSS/jQuery keyboard from NETTUTS; however my problem is trying to select multiple inputs. Everything works as it should, however i want to select the input, store it in hidden field (which input is current), then when i start to type, it can enter the characters into that input field (that is selected). Currently, it just allows me to enter inputs into a single textarea. I want to onfocus, set as "Focusedfield", and when i type it goes into that field.
Here is my JS code to select/store the "focusedField". Triggered by onFocus. to make the textArea i select, be the one i type into.
Code:
Here is the jQuery
The issue is with this first $write variable. I cannot for the life of me, get it to detect the dynamic variable. When i hardcode the inputs name, it works, but when i try something dynamic - it doesn't. Line 2 of that function is where my issue is (i believe).
Code:
I've tried to replace
Code:
With
Code:
And
Code:
As well as plain old JS var "current_form".
I think its just 1 or 2 lines where this issue is.
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Apr 13, 2010
The default behaviour for a class selector is: "An element can have multiple classes; only one of them must match." Is there a class selector where you can use multiple classes and all of them have to match?
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Feb 4, 2010
Below is my code which works fine.
I need to be able to select more than one of the options at the same time. The code at the moment will only select one option rather than all my options.
<HTML>
<HEAD>
<title>MDT Role and Application Selection Application - Gen-i</title>
<!-- Example of the multiple selections
Sub RunScript
[Code]....
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Feb 6, 2009
I have a select element that has up to 200 items in a drop down. Each <option> element has a value 1 to 200, ie., <option value="1">text</option>, etc.
Given a list of values, such as 4, 43, 123, 199, how can I use that list to call a function and write "Selected" for those option elements in the drop down menu?
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Sep 3, 2005
The code below works great in Mozilla.
In IE the selection box is created, and there is a drop-down box if I click
on the down arrow, but I can't see the OPTION text for each option. The
options are invisible, yet the box seems fully functional. I went into the
debugger and sure enough the selection box has "OPTION" child nodes with the
correct "value" and "text" attributes.
What could be wrong?:
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Sep 7, 2011
Have the following code which (resides in a dialog box) and serves as an event listener for check boxes. Am able to populate / de-populate text field with values from check boxby checking or unchecking the individual check boxes:
// Event listener which picks individual contacts// and populates input field.
$('#emailCheckListId_ul input:checkbox').change(function() {
// Declare array
var emails = [];
[Code].....
However, when I use try to use theJQuery Tagifyplug-in it only creates one "tagified dynamic label" inside the text field but doesn't create another label when I click on an additional check box. Also, when I uncheck the original checkbox, itdoesn't remove the original label.
Here's my code using the JQuery tagify plug-in (all I did was keep everything the same as above but called the tagify functionon the text field):
// Add / Remove array from text fieldtextField.value = emails;
// Decorate with dynamic label
$(textField).tagify(emails);
I get this JavaScript error in the browser:
jquery.tagify.js: 'options' is undefined, line 71
In the source code this line reads:
_setOption: function( key, value ) { options.key = value;
},
Its stating that options.key is undefined...
To view the jquery.tagify.js complete source, clickhere.
Is there a way I can create an "else" for example:
// Iterate through each array and put email addresses into array$('#emailCheckListId_ul input:checkbox:checked').each(function(){
// do something
});
[Code]....
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Mar 19, 2010
Below is the code I use to populate a textboxes (compaddress) when I select the compname from the dropdown. I would like to be able to populate other textboxes such as the compdescription, compmaincontact and others when I select the compname from the dropdown. I think that I need an array but I really would like some advice on how to do it as all of my attempts have failed so far
Code:
<script type="text/javascript">
function showname(what)
{
what.form.textfield.value=what.options[what.selectedIndex].title
}
window.onload=function() {
showname(document.form1.number)
}
[Code]...
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Aug 18, 2010
I'm having problems with a Javascript 'Lookup' function.
Basically, I have a select menu 'Customer' which triggers a 3 JS functions, to populate 2 extra select menus.
Using IE Developer Tools, during debugging, I get this error: Expected ';' Error
This relates to either: eval(ajax_CustContact[index].response); OR eval(ajax_CostCentreContact[index].response); (it's a bit random, as sometimes it works, sometimes it doesn't)
I have tried changing the 'custid' to 'custname' to check whether it was an integer causing the problem, but had the same problem.
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Jun 1, 2011
I am developing a web application in java (jsp's and servlets). For the project I am working on I will need to develop an html data entry screen and the code to load data into the screen, and then save the data back to the back-end database.
How to do the following:
Read the data out of the database (JDBC, no problem) in a servlet.
Put the data into the appropriate form for returning to the data entry screen, which will be a jsp. (Is JSON the right choice for passing the data from the servlet to the jsp?)
In the jsp, parse the returned data and populate the HTML form elements (text fields and combo boxes). When a button is clicked, pull the data out of the form elements and return to a servlet for saving back in the database.
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Jan 26, 2010
I have a form where a user may select a box from above which will query the database and autofill in the fields. This works properly for all of my input text fields but I have a select box where a user selects their state that I am unable to get to properly populate.
The select box is populated on page load in the following format....
<select id="state" name="state">
<option value="1">ALABAMA</option>
<option value="2">ALASKA</option>
</select>
[Code]....
Everything populates correctly except where I try to set the val on the state select field. It does not change at all. I need it to display the statename with the value of the state (number).
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Jun 14, 2010
I have a menu with a set of links as below the More link opens up a drop down menu that has list of items. I want to be able to drag an item from the drop down and paste it as an item in 'menu 1' and push more rightwards.
<div id='menu1' class="display">
<strong><a href="" id='ribbontext' style="padding-left:10px;" > Overview </a>
<a href="" >People </a>
<a href="" > Facts </a>
[Code]....
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Jul 20, 2005
I am attempting to populate a drop down menu based on the selection of
a different drop down menu. However, it is not working correctly, I
cannot figure out for the life of me what exactly happens because I am
not getting any errors on the page. Code:
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Jun 16, 2010
I am populating a number of Select boxes on the server-side with a large number of options. I'd like to get the response size down without taxing the client browser too much. What do you think is the most efficient way to approach this problem?
Here are some considerations: The option text/values do not change very often, but could potentially change in the future. The page that holds the select boxes should never be cached, there are other aspects of the page that need to remain fresh. Firebug with YSlow is saying that the primed cache size of the page is 300Kb with all the select dropdowns and options, if I remove the options, the primed cache size of the page is 80Kb. I am considering breaking out the text/value pairs for the select boxes into a separate file that is cache-able calling it "valueTextPairs.js" and referencing it with a query string and some sort of server-generated MD5 hash of the data, so that if any of the values change, the client's cached version will be replaced by the latest version. Like so:[URL]...
Provided I do this, I anticipate that the primed cache size of the page will be reduced down to 80Kb (which I like) -- however, before I take the plunge, I am curious what you all think the performance effect will be?
I know the number of bytes on the wire will be reduced, but will this put a lot of additional pressure on the client's browser because I'd need to traverse the name/value pairs and add the options to the select boxes dynamically on the client end? If it seems reasonable to do this, what jQuery approach would be the most efficient? $('#selectId').html(options) with options = one big string? Adding each child option to the select in a loop? Something else?
Some client end folks are using IE6 so I am trying to tax the browser as little as possible, while also reducing the size of each request, trying to find a happy medium..
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Feb 25, 2010
I have a select field. I must fill with options taken from a mysql table.Here is some little php code I have done using codeigniter framework
$idcateg = trim($this->input->post('idcategory'));
$array1 = array(
'result' => $idcateg
);
echo json_encode($array1);
Now, the jQuery call...
$.post("<?=base_url()?>index.php/rubro/list_ajax/", {
'idcategory' : idc },
function(data){
[code]....
The code works fine. When I call the post, I get the categoryid as a result.Now, I should modify the code above, so I can do:post the ajax call sending the category id. this is done get subcategories for this category, and build the array * json_encode the array and echo * get results back in jQuery ajax call, decode and build the < select > field *The array should be built with each element having a sub-array with id and name, right?
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Oct 1, 2010
Have a WAMP setup with Apache, PHP and Mysql service and I�m working on a HTML form which will have two drop-down controls where information is extracted from two tables in my DB.The first drop-down list called (name="sel_ControlArea") will decide what information the second drop-down list will have.So far I have managed to populate them when the page is loaded using PHP but run into problem when I make a change on the first drop-down list.Question one: What is the best/correct way to solve this problem?Is it to load all information into PHP arrays and then translate these to Javascript arrays, or should I go for AJAX, or XML or are there any other better ways ?I have tried to solve this using the first method, put data in a PHP array but run into problem with this data not properly loaded.This is first time for me to pose a question so please let me know if I have left out some important information or if I should describe this problem in a different way.
<table class="exemption" border="0" cellpadding="2"
cellspacing="5" bgcolor="#eeeeee">
<th colspan="2" align="center">Security Exemption Request</th>
[code]....
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Sep 6, 2011
I will like to know if there is anyway to view all the rules that I have currently in the Jquery validation plugin. Currently, I am trying to add in rules dynamically through the rules(add) function after adding some dynamic fields through the user inputs. the rules are added in this manner.
[Code]...
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Aug 29, 2011
I want to make a popup helps the user select a value for an input field in a html form.
For example, if the field is for a customer code - the user can either type in the customer code directly, or use the popup to search on available customer codes using various criteria and finally select the customer code he or she wants to use, and have that customer code populate back into the original input field.
I have been looking around the various components in jquery but can't quite see how to do this.
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Sep 27, 2010
I am using jquery with the cookie plugin and I have multiple image buttons that can hide/show multiple elements. My question is how can I add a cookie to this code to remember whether each separate element is opened or closed?
The code,
$(document).ready(function() {
// choose text for the show/hide link - can contain HTML (e.g. an image)
var showText='<div class="expanddown"></div>';
var hideText='<div class="expandup"></div>';
// initialise the visibility check
var is_visible = false;
// append show/hide links to the element directly preceding the element with a class of "toggle"
$('.toggle').prev().append('<a href="#" class="togglelink">'+hideText+'</a>');
// capture clicks on the toggle links
$('a.togglelink').click(function() {
// switch visibility
is_visible = !is_visible;
// change the link depending on whether the element is shown or hidden
$(this).html( (!is_visible) ? hideText : showText);
// toggle the display - uncomment the next line for a basic "accordion" style
//$('.toggle').hide();$('a.toggleLink').html(showText);
$(this).parent().next('.toggle').slideToggle('fast');
// return false so any link destination is not followed
return false;
});
});
HTML,
<a class="togglelink" href="#"></a>
<div class="toggle">
Content
</div>
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Jun 20, 2011
The below script is working fine on IE but notin Mozilla
<script type="text/javascript">
window.onload=function() {
if (document.getElementById) {
document.getElementById("country").onchange=function() { switchme(this); }
}
}
[Code]...
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Jun 20, 2009
I'm trying the JavaScript example on JavascriptKit (url...) for Dynamically populating a JavaScript image slideshow. However, it doesn't work - it sits with the original image. I'm guessing that it's not getting the image array. The instructions aren't clear, so this is what I've tried thus far with no success:
1. Place PHP portion in Head. No joy.
2. Save PHP portion as getimages.php in the dir with the images. No joy.
3. Save PHP portion as getimages.php in the same dir as the page to display the slideshow. No joy.
4. Save the PHP portion without any HTML tags (example code only) as getimages.php in the dir with the images.
In all cases the JavaScript portion is inserted where I want the slideshow.
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Nov 10, 2011
I have a site setup, where each page has 3 <div> columns. In the 3rd <div> Column, I want to populate dynamic content. Basically, I want to have 1 external file, which holds the content to be populated. The 3rd <div> column on each page would need to pull the information from the 1 external file. I want to insert JavaScript in the 3rd <div> column to direct the page to pull this content from the 1 external file.
Example: 3rd <div> column could show Ads or Promotions. The external file holds the images, links, etc. for the specific Ads or Promotions. The external file can be edited just once and all pages automatically show this new content because the JavaScript in the 3rd <div> column pulls from this external file. This seems like it should be really simple, but I cannot find anything online that describes how to do this. I am likely not using the right keywords for my search because I am new to JS.
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