Select2 set value programmatically ajax. ---This video is...

Select2 set value programmatically ajax. ---This video is base How do I set the placeholder on value reset by select2. I am able to implement the ajax search in the select2. It's working fine but now I need to bind my Multi-Value selectBox by using Jquery-Select2. To programmatically set the value of a Select2 element that uses AJAX to fetch its data, you need to ensure that the value you want to set is properly fetched and selected. I have tried all manner of updating the value but it either doesn’t change or gets set to null. We’ll cover core concepts like `initSelection`, AJAX data handling, and common pitfalls to avoid. Learn how to programmatically set the selected value of a jQuery Select2 dropdown using various methods and examples. There are a number of other posts re this but their solutions don't work for me. select2-input box to get the results to open up and load. I've tried various alternatives, like using $('#select2'). I am using select2 v4 and I get the values of my select via ajax. Use $element. select2('data', ) method to set values programmatically. Level up your programming skills with exercises across 52 languages, and insightful discussion with our dedicated team of welcoming mentors. (Note that data is pulled via AJAX/JSON, but due to some unusual circumstances, this is loaded via an array. Aug 20, 2014 · Just keep using the . Use . val () instead. How can I set value in select2. The Select2 is shown initially without a value a Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. fn. I’ve never tried programmatically inserting a selected option into an AJAX-backed Select2 that also uses a templateSelection, but I have done so with a Select2 that is backed by a JavaScript object, and it worked just fine (i. Programmatically adding and selecting items, getting the current selections, manipulating the control, and working with Select2 events. The same exact code works for non-AJAX Select2 boxes. select2({ tags: true }); Note that when tagging is enabled the user can select from the pre-existing options or create a new option by picking the first choice, which is what the user has typed into the search box so far. By the end, you’ll know how to initialize Select2 with AJAX, set an initial value reliably, and ensure the placeholder works as expected. In this example, we can search for repositories using GitHub's API: I need to set the selected value of the select2 base of the response ID of the data. $(". js-example-tags"). off jQuery method: // Set up a Select2 control $('#example'). 3) for a project im working on. You may also manually trigger these events on a Select2 control using . , the template was applied to the programmatically injected selection). New options can be added to a Select2 control programmatically by creating a new Javascript Option objectand appending it to the control: The third parameter of new Option() determines whether the item is "default selected"; i. jQuery : Programmatically set the value of a Select2 ajaxTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"As promised, I'm goi To programmatically set multiple value options on a multi-select, you need to manually add selected attributes to the <option> elements that you want to select. For example, when retrieving form data from a backend API or service, use the setValue() method to update the control to its new value, replacing the old value entirely. If you were to supply an initSelection function for an autocomplete (that uses ajax), it would probably need to make an ajax call to build the data object. 1 I am using Select2 (via CDN / latest version) with data loaded from an array. By default it supports all options and operations that are available in a standard select box, but with added flexibility. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the d I have a Select2 with AJAX that is working perfect, but for the fact that I cannot set a value using javascript. Dec 7, 2025 · This blog will walk you through solving these issues step-by-step, with clear code examples and explanations tailored for Select2 v4. . I was previo How to programatically select values on Select2 which loads it's values through ajax on v 4. select2 ('data', [ { id: 1, text: 'text', extra_data1: true } ]); to set data (including extra data) after initialization without completely rebuilding the Select2 instance (especially when using an Ajax configuration)? Basic usage Single select boxes Select2 was designed to be a replacement for the standard <select> box that is displayed by the browser. Retrieving Selected Values Use the . 3 #4709 New issue Closed mehafi Is there a method like $ ('select'). The input event fires when the value of an <input>, <select>, or <textarea> element has been changed as a direct result of a user action (such as typing in a textbox or checking a checkbox). selectedValue, which is undefined, and if value is undefined (or not given at all), the uncontrolled-component-behavior is used. The fourth parameter sets the options actual selected state - if s Nov 8, 2025 · This guide will walk you through **step-by-step** how to set selected values in Select2 (pre-version 4) when using AJAX, including initializing with a default value and updating the selection dynamically after the page loads. select2("val", value). Any events that you bind in your own code, including any Select2 events that you explicitly bind, will need to be unbound manually using the . ) I need to programmatically select a value via text, not an ID. trigger. Here's a step-by-step guide to achieve this: Ajax (remote data) Select2 comes with AJAX support built in, using jQuery's AJAX methods. It supports searching, remote data sets, and pagination (infinite scrolling) of results. Plain JS api for usage everywhere. Select2 can take a regular select box like this 4 I have a Select2 working fine attached to a select list but when someone enters a new item and I rebind the select list and try to programmatically select the new item, it refuses to display. Select2 synchronizes its state with the underlying ele I am binding my dropdown with Jquery-Select2. I have a multiple select: <select name='strings' id="strings" multiple style="width:100px;"> <option value="Test">Test</option> <option value="Prof">Prof</option You can set default values by including selected options in the html or by programmatically adding selected options to the <select> element, after which you should trigger a change-event on the element so its display is updated. Learn how to dynamically set a value in a Select2 dropdown when a specific option is selected, using JavaScript with practical examples. val() method on the original element to fetch the current value. Tagging with multi-value select boxes Tagging can also be used in multi-value select boxes. 0. My DropDown &lt;div class ); }); The problem is i needed to hack the select2 UI and position two buttons on top of the search bar that, when clicked, will perform ajax calls and will have to update the select2 content. I have tried many ways but I am not able to get it work. The values of the second select are stored in a two-dimension arra Limiting the number of selections Select2 multi-value select boxes can set restrictions regarding the maximum number of options that can be selected. Im using the Select2 jQuery plugin (v4. e. " How do I set the placeholder on value reset by select2. select2(); // Bind an event Events Select2 will trigger a few different events when different actions are taken using the component, allowing you to add custom hooks and perform actions. I can get this to work via an ID, but not text. There are other way you can you but this answer perfectly work for me with Select2 4. I do not refer to an initial value. The select2 instance is ajax sourced, and I was wondering i there is a way to programmatically select options. The jQuery plugin that brings select elements into the 21st century with intuitive multiselection, searching, and much more. select2("data", value). Does nothing. select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the d I have two selects that are linked: Each value of the first select determines which items will be displayed in the second select. The select below is declared with the multiple attribute with maximumSelectionLength in the select2 options. Now, I need those updates to occur without rebuilding the select2 entirely but rather just refreshing the items on the dropdown. defaults). Sometimes, we may want to programmatically set the value of a select element with JavaScript. Use it for product or category filtering with check-mark selection. A form control instance provides a setValue() method that updates the value of the form control and validates the structure of the value provided against the control's structure. I want to be able to set the default/selected value of a select element using the JQuery Select2 plugin. I tried every single solution in previous posts and results but none of them got it work. Code: Currently I can programmatically set the search term value, but I cannot figure out how to trigger the change event on the . How could I do that? $. According to Default (pre-selected) values and Preselecting options in an remotely-sourced (AJAX) Select2, it will be quite complex to make it compatible with ajax setting like this. hi for example i have a form with a select2 that uses the remote data so i know that select2 by remote data is empty on page load, meaning it has no data yet it will only fetch the data once i clic Just remember that if you passed any options to select2 the first time, you will need to pass them in again (or just set up default options using $. However, $('#select2'). When the page loads i load some data into the select box and with an ajax request i return json fields that have been selected previously. At the same time, it tries to avoid unnecessary rerender. Now with Bootstrap 4 support. I am using the ajax select2 getting the data remotely using json. Select2 is a jQuery based replacement for select boxes. 0 on console I read: "Select2: The select2("val") method has been deprecated and will be removed in later Select2 versions. Select2 plugin is used to customize HTML select element. Events Select2 will trigger a few different events when different actions are taken using the component, allowing you to add custom hooks and perform actions. select2 ('data', [ { id: 1, text: 'text', extra_data1: true } ]); to set data (including extra data) after initialization without completely rebuilding the Select2 instance (especially when using an Ajax configuration)? Javascript multiple select & multi-select for mobile and desktop. For those who is using Ajax call to populate select2 and want to search and set selected value. ); }); The problem is i needed to hack the select2 UI and position two buttons on top of the search bar that, when clicked, will perform ajax calls and will have to update the select2 content. This function allows you to dynamically set the value of a registered field and have the options to validate and update the form state. But when I am setting the data its not working. select2("val", newID); but it doesn't work. it sets the selected attribute for the new option. Is there a method like $ ('select'). Learn how to programmatically clear or reset the React-Select component in your React applications with step-by-step guidance and examples. remove() only removes the original <input> field but leaves the Select2 control lingering Working with a front-end form, I want to programmatically set the value of a select2 taxonomy field after another field is updated. I have a select2 box in bootstrap modal, I want to change the value of the select2 box but it didn't work. Learn how to programmatically set the value of a select element using JavaScript with practical examples and step-by-step guidance. Possible solution 1- Force select2 do ajax call after page finis loading ( Code needed) 2- when ajax data is get, find a way to search through the data objects the objet with the matching id (code needeed) When you destroy a Select2 control, Select2 will only unbind the events that were automatically bound by the plugin. When set an option selected with jQuery then also need to update the view to reflect the changes. I want to be able to set the selected value only via the ID of the object. 0, and I am trying to make a programmatic selection to a select box which gets its data from an ajax call. Note that you had set value to props. 0 (the latest stable version at the time of writing). getJSON (' { {route ("json_product_rank")}}', {id: $row But it doesn't work. 0 Are you able to provide the select2 v4 equivalent of this approach? I have an ajax control that I only have the 'id', and need to make sure the full data with 'text' is pulled from the remote datasource. 13 I am using select2 version 4. I've even tried completely deleting the Select2 control. jQuery : Programmatically set the value of a Select2 ajaxTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"As promised, I'm goi Upgrading to version 4. How can i achieve that select2 set some items to selected with an ajax request? I have searched many answers and tried them but i am not able to change the value of select2 dropdown dynamically using jquery. To change the selected option in an HTML `` element we have to change the `value` property on the `` element. In the documentation, I found how to set a value programmatically to a regular select2, but I can't figure out how to do this with an ajax select. mc7q, xy8jq, mf15ny, qkfi, uxlsi8, ulwv2, 1iughb, 8bupi, ipkhf, sbridp,