Add / Remove Select Options Based On Another Value?
Apr 2, 2011
I am trying to make a simple code that has a selection list (with the choice fruit or veggie). When the user chooses fruit, the second list displays the options apple, orange, banana. When the user changes their choice to veggie, the second select list then contains carrot, corn, potatoes (and the apple, orange, banana disappear).
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.
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>
Tried doing this a few different ways but it seems no matter what I do the last option won't remove for some reason.. if it's the only option, it won't remove either. as it's the last one.code...
I'm using ajax to update options in several select forms.Its basically, like in most automotive applications, there is a drop down for brand...once selected, it will populate another select form with the "makes" of that brand. Once a make is selected.. it returns the models of that make... and ect...The program works fine for one selection. When one brand is selected, a second select box is populated with the correct makes of cars that brand produces, however, if the brand is changed, the select box with the makes of the cars is populated by the original query..twice... and then the second query. Looking for help on whats the best way to clear both the results array; i was using this...
autobrandsf.length = 0;
and also clear out the select box, which is what the removeAllOptions() function is for. As it stands, if i use the removeAllOptions(), the makes are never populated.Here is my code, broken down the best i could, in order of process.. ish.A select form that shows the brands is displayed, once a choice is made, it passes the value of the choice into this function, which will query the database
// this is the function that is called once a brand is selected: // h = the brand passed.. function carBrandCheck(h){[code]....
This is where, the query is returned, each row is split into an individual array, and then the second element of those individual arrays are put into yet again another array.The elements of that array are then compared against eachother to make sure there are no duplicates, storing the non-duplicates into a new array. The final array is then passed into a select form, for the makes of the selected brand.
// the ajax handler: function handleWorkResponse(){ if(xmlHttp.readyState == 4){[code]......
I have a form on which two separate drop down values need to change based on which option the user selects at the top of the form ("dbt" refers to the remote database the results are pulled from);I have to stick to the names/ids otherwise the form will return an error.I've found examples that dynamically change ONE select list, but not two.
I am looking to create a set of three combo boxes with around 15 options in each. If an option is selected in one of the three boxes, it is removed as an option from the others.
While appending the option-elements to the targetselect the original option-elements disappear (exactly at step of line 13). This is unwanted behaviour.
I am trying to create a “simple” form with 3 dropdown options which totals up the value of the 3 selections. My script is based on one I have used in the past which used checkboxes… checkboxes work fine, but I can not get the script to work with dropdown options. I can get a string to build but totals are always 0. Code:
I am new to javascript stuff but am looking to develop a form which includes 2 drop down menus but I would like to grey out some options in the second one based on the selection in the first. Basically this is a simplification of what I have:
What I would like is that if south or east are selected for orientation then I can only select front left or front right but if north or west are selected then only rear left or rear right are available.
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.
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>
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?
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.
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
I have a php function that list all of the countries from my database as a select option, then based on what the user selects for their country im using jquery to make an ajax call and get all of the states/regions for that country. This part works fine. I'm running into an issues, as when a user login's in to edit their profile, how would I make the select change based on what is in the databse.
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.
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.