Single-Select Field Behave like Component/Versions with AJS


I know a lot of people have asked in the past about multi-select field behaving like components/versions, but is it possible to get a single-select to behave like that as well?

When i try to edit the code, i have problems with it sticking or it will create duplicate fields

Multi-select solutions can be found:

CK1's post:

<script type="text/javascript">
(function($) {
// "customfield_10400" is the number of the custom
// multiselect field you want to change as e.g.
// seen at the end of the "configure" page url of
// the field you want to change this way
AJS.$("#customfield_10400 option[value='-1']").remove(); //Removes the default value "None"
function convertMulti(id){
if (AJS.$('#'+id+"-textarea").length == 0){
new AJS.MultiSelect({
element: $("#"+id),
itemAttrDisplayed: "label",
errorMessage: AJS.params.multiselectComponentsError
JIRA.bind(JIRA.Events.NEW_CONTENT_ADDED, function (e, context) {
AJS.$("#customfield_10400 option[value='-1']").remove();

1 answer

Actually the code on

worked fine for my single-select list to behave like component/version (multiple choices possible).

If you have a single-select list and want it to behave like Priority (single choice) you can use AJS.SingleSelect instead of AJS.MultiSelect. Like:

<script type="text/javascript">
    new AJS.SingleSelect({
        element: $("#customfield_10052"),
        itemAttrDisplayed: "label",
        errorMessage: AJS.params.multiselectComponentsError


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