Passing parameters url in Select2

Passing parameters url in Select2

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Passing parameters url in Select2
Tag : javascript , By : bikefixxer
Date : December 01 2020, 05:00 PM

To fix the issue you can do The problem is not in your script, but in API you're trying to access. It returns 404, which means you've either provided wrong URL or Resource is simply not there.
Try to concatenate Keyword value directly to URL string as follows, instead of using data parameter:
  ajax: {
    url: "api/v1/tags/" + keywordValue,
    dataType: "json",
    cache: true,
    quietMillis: 150,
    allowClear: true,
    processResults: function (data) {
      return {
        results: $.map(data, function(obj) {
          return { 
            id: obj.id, 
            text: obj.slug 
    tags: true,
    placeholder: "Search or insert tags",
    tokenSeparators: [',', ' '],

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passing parameters to jQuery's select2 ajax call

Tag : jquery , By : beebob
Date : March 29 2020, 07:55 AM
may help you . Assuming there are multiple elements with class auto-sug, you could try something like this:
$(".auto-sug").each(function() {
    var thisId = this.id;
        ajax: {
            id: thisId,

Select2 acts very different with Uncaught query function not defined for Select2 <select2-id>

Tag : html , By : nickthecook
Date : March 29 2020, 07:55 AM
With these it helps "Query" refers to the list by which to check your search terms against. You need to make sure that your data property is a proper array of objects (ie. your options elements).

Is it possible to set different select2 parameters at different times?

Tag : jquery , By : Tom Smith
Date : March 29 2020, 07:55 AM
I wish this help you I don't think it's possible to adjust the options without re-initializing select2. You could store the options in a variable somewhere and then adjust this as necessary, but in order to take effect, the select2 control will need to be re-initialized:
var options = { minimumInputLength: 3 };

// initialize

// change options
options.placeholder="show a placeholder";

// need to reinitialize select2 for options to take effect
$.fn.select2.defaults.placeholder = "New placeholder...";

Passing parameters to Ajax request in Select2

Tag : javascript , By : Joe
Date : March 29 2020, 07:55 AM
help you fix your problem The issue is that you are defining the query parameters that need to be sent as function parameters. Because nothing is being passed in through the function parameters, the variables are being set to false instead of taking on the value that was set globally.
data: function (pais, fabricante_distribuidor_id, producto_solicitud_id, fabricante_producto_solicitud_id) {
    // parameters 2, 3, and 4 are `undefined`

    return {
        filtro: pais,
        fabricante_distribuidor_id: fabricante_distribuidor_id,
        producto_solicitud_id: producto_solicitud_id,
        fabricante_producto_solicitud_id: fabricante_producto_solicitud_id
data: function (pais) {
    return {
        filtro: pais,
        fabricante_distribuidor_id: fabricante_distribuidor_id,
        producto_solicitud_id: producto_solicitud_id,
        fabricante_producto_solicitud_id: fabricante_producto_solicitud_id

How to call click event in Select2 after add a button to select2-drop and select2-no-results?

Tag : javascript , By : sam
Date : March 29 2020, 07:55 AM
this will help I think that formatNoMatches is removed from Select2.
You have to use the following syntax:
  formatNoMatches: function(term) {            
     return "<button class='btn btn-info btn-sm' id='add'>Add a new item</button>";

$('.select2-container').on('click', '#add', function() {
  alert('New Item Here!');
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/3.0.0/select2.css" rel="stylesheet" />
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/2.1.0/select2.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

<select multiple id="e1" style="width:300px">
  <option value="AL">Alabama</option>
  <option value="Am">Amalapuram</option>
  <option value="An">Anakapalli</option>
  <option value="Ak">Akkayapalem</option>
  <option value="WY">Wyoming</option>
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