Clear All Optgroups And Options From A Select List

Aug 4, 2006

I have a multiple select list that is created dynamically based on a previous selection on an asp page. The first thing I do is to clear the curent option list by

document.form1.itemcross.length = 0;

The only problem is that it leaves the optgroups. How do I also get rid of the optgroups?

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Populate Second Select List With Remaining Options From First One

May 21, 2009

I have two select lists, the first one has three options in it, What I need to have happen is once a option is selected in the first drop down, the second drop down will be populated with the remaining two options.

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List Box - If "ALL" Is Selected User Should Not Select Other Options

Sep 20, 2010

Code:
<select name="bedroom[]" size=4 multiple> <option value="">Select Bedroom type</option> <option value="0">ALL</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> <option value="4">4</option> <option value="5">5</option> <option value="6">6</option> <option value="7">7</option> <option value="8">8</option> <option value="9">9</option> <option value="10">10</option> </select>

If "ALL" is selected user should not select other options. Other wise he should be able to select multiple selections like 2,3,4,5 etc.

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AJAX :; Dropdown List Clear Before Value?

Nov 3, 2010

how to clear value from ajax selected value, the code i use from thread daved83 about AJAX dropdown list. i have modified a little for that code, the code is like below

<tr>
<td style="vertical-align:top;" rowspan="5" width="130px">Shipment by<br/><span style="font-size:10px">(select nearest city <br/>if not find your city)</span>[code].....

the system is when visitor click TIKI regular, drop down ajax list will appear and visitor can chose province, city and price will automaticly appear after chose city.the problem is the price value will still there after visitor move chose other option, like TIKI ons.how i can clear the chosen value if visitor move chose other option?

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Clear A List Of Contents In A Combobox?

Feb 25, 2009

How to clear a list of contents in a combobox in javascript.I mean i want to clear the contents of the combobox and want to add new contents in the same combobox.Ex:I had 2 entries in a combobox as 'test1, test2'.I want to clear the data and want to add new entries as 'asd, asds, asdssd'.

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Change Options Of Select Based On Selection In Other Select

Mar 20, 2010

I've been having problems getting my select option to change the options of another select option. I'm not much of a javacsript coder, so I'm at a lost.When I select the first option nothing appears in the second option.

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JQuery :: Copying Options Of Select Into Another Select?

Jun 2, 2010

I have 2 html-selects, one as source, the other as target. I want to copy the source-options to the target.

#sel_rel > source
#sel_new_after_rel > target
function openFormAddRel(){
generateFieldset("Release hinzuf├╝gen", "reg_edit", "form_add_rel");

[Code]....

While appending the option-elements to the targetselect the original option-elements disappear (exactly at step of line 13). This is unwanted behaviour.

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JQuery :: Select Multiple Select Options From Value?

Feb 9, 2009

I have an array of codes returned from a script which relate to select box options. How can I select multiple select options so I can disable them?

So far this isn't working for me...

Code:
for ( var c in codes )
{
$('option[value="' + codes[c] + '"').attr('disabled', 'disabled');
}

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JQuery :: How To Clear Select Field

Aug 6, 2009

So before I used jQuery I had this approach to set select field as not selected. So the question is what would be the equivalent way to do it in jQuery?
Code JavaScript:
if (tag == 'select'){
this.selectedIndex = -1;
}

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On Change Select Option, Clear Fields?

Aug 29, 2010

I have a select dropdown with several options. The user selects an option and fills out the following few fields. If the user then changes his mind and changes the option in the dropdown, I want all the fields - or just the ones already filled out - to be cleared.

Note: reset() of the form is not an option as there are other things going on (hide/display of fields based on the dropdown option selected).

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List Indexes - Short Function Without Options?

Jan 21, 2010

I have 2 lists and function to clean them
function del_sel(option){
if (option == "1"){
document.forms[0].list1.innerHTML = '';
}if (option == "2"){
document.forms[0].list2.innerHTML = '';
}}

How to make this function shorter & without options? Something like that:
function del_sel(option){
document.forms[0].option.innerHTML = '';
}

The problem is that this code returns mistake:
function del_sel(option){
document.forms[0].option.innerHTML = '';
}
...
<input type='button' value='Delete onclick='del_sel(form.list1);>

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Clear An Html SELECT And Next Insert In It All The Elements Of An Array

Jul 23, 2005

how can clear an html SELECT and next insert in it all the elements of an array () I try this but seems doesn't works.

function ComboAddArrayValueWithLabel(combo,ArrayLabel,Array Value)
{
combo.options.length = 0;
for (i=0; i<ArrayLabel.length; i++)
combo.options[combo.options.length] = new Option(ArrayLabel[i],ArrayValue[i]);
}

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Clear Dependent Select Input If Parent Changed To Blank?

Mar 3, 2011

I have an ajax dependent drop down set up for location fields and am having trouble figuring out how to clear the dependent selects if the parent select is changed to blank.I set up a function to clearFields:

<script>
function clearFields() {
document.getElementById('cb_state').value = "";

[code]....

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Jquery :: Populate A List From A PHP Loop That Writes HTML Options From A Db?

Jul 5, 2011

The following PHP code populates a dropdown list of Projects. I would like to be able to click on a Project Name in the list and have its corresponding list of Characters appear beside it. How can I tie jquery into this as it's running? All the jquery examples I see are for hard coded HTML data instead of a PHP loop grabbing from a database.

Code:
//creates the Project dropdown list
while ($proj = mysql_fetch_array($project)){
$id_proj = $proj['projid'];
$name_proj = htmlspecialchars($proj['projectName']);

[Code]....

I don't care if it's a clickable list of anchors instead of a dropdown. Also, I don't care whether people have javascript enabled as this is for my personal use.

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Hiding OPTIONS In SELECT ?

Jul 23, 2005

Using IE5.5+, is it possible to hide options in a select?

The following doesn't work:

<HTML>
<HEAD>
<STYLE>
SELECT OPTION.orgA{ display:none }
.orgB{ display:inline }
.orgC{ display:none }
</STYLE>
</HEAD>
<BODY>
<SELECT id=cbo size=3>
<OPTION class="orgA">RTI</OPTION>
<OPTION class="orgB">LAB</OPTION>
<OPTION class="orgC">TCI</OPTION>
</SELECT>
</BODY>
</HTML>

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Select Options In Order

Aug 31, 2006

I have 4 select fields like;

<select id="choice_101" name="choice_101">
<option label="Will not attend" value="Will not attend"
selected="selected">Will not attend</option>
<option label="First Choice" value="First Choice">First
Choice</option>
<option label="Second Choice" value="Second Choice">Second
Choice</option>
<option label="Third Choice" value="Third Choice">Third
Choice</option>
<option label="Fourth Choice" value="Fourth Choice">Fourth
Choice</option>
</select>

choice_102, choice_103 and choice_104

The user must bem select options in this 4 files in order, for example,
he must bem select first "First Choice" next "Second Choice"... The
options not be same.

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Copy Select With Same Options

Feb 21, 2005

I've been playing around with the following code for days already and still in the dark tunnel. Can someone tell me what's wrong with the way I've coded it?

var cell1 = row.insertCell(0);
var selOpt = document.createElement('input');
selOpt.setAttribute('type', 'select');
selOpt.option = document.forms[0].Country.option;
selOpt.setAttribute('name', 'AnotherCtry');
cell1.appendChild(selOpt);

<edit>What I'm trying to do is to copy the options of the Country to another select which I've allowed the users to 'add' to the current row.</edit>

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Change Options In A Select Box?

Dec 31, 2009

I am wanting to change the option of a select box when a customer clicks on a thumbnail image. code...

When the customer clicks on one of the thumbnails to the left, I want it to change the item that is selected on the right.

How do I do this?

I tried to change the innerHTML and it erased everything in the select box, so I'm quite sure that is not the right way.

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Could Not Set The Options In Select Dynamically

Jul 2, 2010

I have a select and list of options. I have onkeypress event on the select input. As the user types I am trying to match the entered key strokes to the entries in the options and setting the selected value to the first match.

The problem I am facing is this: My options have 10000,0000, 10001, 1111,0001. Say I type 10, with less than one sec delay I consider them as one unit. So I try to find whether there are any entries in the options which starts with 10 and setting the value. But brower is considering the last entered key stroke , in this example 0 and setting the 0000 which is the first match.

Is there any way that I can stop the browser from doing that or any idea?

Here is the code.

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Adding Options To A Select Box?

Jul 30, 2010

I've searched the web and every tutorial I can find says the same thing, and I am doing what they say, but it's inexplicably not working. Basically, I'm using a nested object to populate a select box using the new Option() method. Unfortunately, when I include the new Option line, it breaks the loop and does not add anything.

[Code]...

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Writing Options In Select?

May 23, 2011

I have 8 pages that are very similar. The only difference is the select options with different group of names on each page. I am using a global script.Is there a way to have a central point with array of names that would write or function in the select option depending on the page.Example below

array_a = 1,2,3,4,5,6
array_b = 101,102,103,104,105,106
array_c = 201,202,203,204,205,206

[code]....

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JQuery :: Limit If A Value Can Be Selected In A Drop Down List (select) Based On Other List

Jun 9, 2009

I have a page that displays a list of people playing in a tournament. I need to be able to generate a Leaderboard based on which players are manually selected by the admin. Next to each person there is a drop-down list. An admin can go in and select a "slot" that a player should be in on the leader board from 1 to 8, or leave it blank if none. What I need to figure out how to do is the following, when a change event happens on a drop-down list, and say the value 5 is selected, I need to check to make sure that 5 is not already selected in one of the other players drop-down lists, in other words, that the 5th leaderboard slot is not already full. if it is, display an error message and make them change that one first. how to do that with jQuery? I'm thinking it will have something to do with the each() function, but not sure exactly how the logic should work.

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Changing <options> Within <select> On Input

Jul 23, 2005

I'm making a <select></select> with lots of <option></option>. It
contains all possible options. Because of the length of the list, I
also have an <input type="text">.

This is what I wish to do:

onKeyDown I want all options that don't contain (or begin with, it
doesn't matter which one) the typed letters to be removed from the
<select>.

My problem is that I don't know of any code to find words and identify
letters.

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JQuery :: Reordering Options In A Select Box?

Aug 2, 2009

Is it possible to reorder the options in a form select box with jQuery, either by drag and drop or by up and down arrows/controls?I have a form select field that users use to choose an item to edit. I'd like users to also be able to reorder items in the select box to change their display order.In the end, I'll likely send order changes to the server via AJAX.

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JQuery :: Remove Some Options From A <select> But Get It By Name?

Jun 14, 2009

i need to remove some options from a <select> but i need to get it by name

so i have
<select name="imageList">
<option>test1</option>
<option>test2</option>
<option>test3</option>
<option>test4</option>
<option>test5</option>
<option>test6</option>

i know i need to use the .removeOption("test4"); to remove it but i dont know what to use so it selects the imageList <select>

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JQuery :: Using Checkboxes With Select Options?

Jun 17, 2010

I currently have a form that the checkboxes are automatically populated. There is over 1000 checkboxes in total, 48 of these checkboxes are designed as main topics, when the checkbox for one of these 48 are ticked, it checks all sub catergory checkboxes as well as populates a <select><option> multiple list with its value. When unchecking one of the 48, it unchecks all its sub categories and removes them from the <select><option> multiple list.

The problem I am having is, when i select one of the 48, which populates the multiple list option and checks all sub categories... i go to uncheck one in the sub categories, which successfully unchecks the main category (as it indicates they are not all selected). It also successfully removes the sub category from the multiple select option list and its main category (which became unchecked).

When I go back to check the main category which makes all the sub categories checked... it re-populates the <select><option> multiple list with the values creating duplicates. I need a proper way of when I check a box, it scans the multiple <select><option> list to see if it already exists, then adds it again if it is not there. I have tried the following jquery:

$('#elemSelect option[value = thisCheckbox.value]').length > 0)

but it seems the length always comes out 0 (zero). I need a fast and efficient way of doing this there is over a 1000 checkboxes that can be checked and need to populate this list.

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