Overview
Select2 gives you a customizable select box with support for searching, tagging, remote data sets, infinite scrolling, and many other highly used options. For full documentation please check the
plugin's site .
Usage
Select2's CSS and Javascript files are bundled in the global plugin bundles and globally included in all pages:
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<link href="assets/plugins/global/plugins.bundle.css" rel="stylesheet" type="text/css"/>
<script src="assets/plugins/global/plugins.bundle.js"></script>
Initialization
Select2's CSS is highly customized in
sass/vendors/plugins/_select2.scss
SCSS file in order to use it as native component within the design system. The SCSS code is compiled into
assets/plugins/global/plugins.bundle.css
and globally included in all pages.
Select2's Javascript is globally initialized with some predefined settings in
src/js/vendors/plugins/select2.init.js
and the initialization code is bundled within
assets/plugins/global/plugins.bundle.js
and globally included in all pages.
Select2's is globally initialized through
data-control="select2"
HTML attribute as defined in
src/js/layout/app.js
and some options can be be passed through
Select2 Data Attributes .
Basic Examples
Basic examples of Select2 usage with default and solid background input styles:
Default input style
Option 1
Option 2
Option 3
Option 4
Option 5
Transparent background style
Option 1
Option 2
Option 3
Option 4
Option 5
Solid background style
Option 1
Option 2
Option 3
Option 4
Option 5
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<select class="form-select" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
<select class="form-select form-select-transparent" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
<select class="form-select form-select-solid" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
Add
<option></option>
empty option in order to display the placeholder when selection is not made.
Add
data-dropdown-parent="#modal_element_id"
option to fix uneditable search input when Select2 is used on Bootstrap Modal with
tabindex="-1"
.
Group
Use
<optgroup>
tag to group select options:
Option Groups
Option 1
Option 2
Option 3
Option 1
Option 2
Option 3
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<select class="form-select" data-control="select2" data-placeholder="Select an option">
<optgroup label="Group 1">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
</optgroup>
<optgroup label="Group 2">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
</optgroup>
</select>
Sizes
Apply the standard Bootstrap input sizes
.form-select-sm
and
.form-select-lg
:
Small size
Option 1
Option 2
Option 3
Option 4
Option 5
Default size
Option 1
Option 2
Option 3
Option 4
Option 5
Large size
Option 1
Option 2
Option 3
Option 4
Option 5
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<select class="form-select form-select-sm form-select-solid" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
<select class="form-select form-select-lg form-select-solid" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
Both Add-ons in Solid Style
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<!--begin::Default example-->
<div class="input-group flex-nowrap">
<span class="input-group-text"><i class="bi bi-bookmarks-fill fs-4"></i></span>
<div class="overflow-hidden flex-grow-1">
<select class="form-select rounded-start-0" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
</div>
</div>
<!--end::Default example-->
<!--begin::Solid input group style-->
<div class="input-group input-group-solid flex-nowrap">
<span class="input-group-text"><i class="bi bi-calendar fs-4"></i></span>
<div class="overflow-hidden flex-grow-1">
<select class="form-select form-select-solid rounded-start-0 border-start" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
</div>
</div>
<!--end::Solid input group style-->
<!--begin::Both add-ons-->
<div class="input-group flex-nowrap">
<span class="input-group-text"><i class="bi bi-calculator fs-4"></i></span>
<div class="overflow-hidden flex-grow-1">
<select class="form-select rounded-0" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
</div>
<span class="input-group-text">.00</span>
</div>
<!--end::Both add-ons-->
<!--begin::Both add-ons in solid style-->
<div class="input-group input-group-solid flex-nowrap">
<span class="input-group-text"><i class="bi bi-cash-coin fs-4"></i></span>
<div class="overflow-hidden flex-grow-1">
<select class="form-select form-select-solid rounded-0 border-start border-end" data-control="select2" data-placeholder="Select an option">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
</div>
<span class="input-group-text">USD</span>
</div>
<!--end::Both add-ons in solid style-->
Clear Selection
Add
data-allow-clear="true"
attribute to allow clearing selected options.
Clearable option
Option 1
Option 2
Option 3
Option 4
Option 5
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<select class="form-select form-select-solid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true">
<option></option>
<option value="1">Option 1</option>
<option value="2" selected>Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
Hide Search
Add
data-hide-search="true"
attribute to hide the search input in the dropdown list.
Clearable option
Option 1
Option 2
Option 3
Option 4
Option 5
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<select class="form-select form-select-solid" data-control="select2" data-placeholder="Select an option" data-hide-search="true">
<option></option>
<option value="1">Option 1</option>
<option value="2" selected>Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
Dropdown Width
Clearable option
Option 1
Option 2
Option 3
Option 4
Option 5
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<select class="form-select form-select-solid" data-control="select2" data-dropdown-css-class="w-200px" data-placeholder="Select an option" data-hide-search="true">
<option></option>
<option value="1">Option 1</option>
<option value="2" selected>Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
Multiple Selection
Declare a selectbox with
multiple="multiple"
attribute to allow multiple selection with a tag control.
Multiple Selection
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Option 8
Option 9
Option 10
Small size
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Option 8
Option 9
Option 10
Large size
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Option 8
Option 9
Option 10
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<select class="form-select form-select-solid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true" multiple="multiple">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
<select class="form-select form-select-sm form-select-solid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true" multiple="multiple">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
<select class="form-select form-select-lg form-select-solid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true" multiple="multiple">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
</select>
Hierarchical Options
Use
<optgroup></optgroup>
tag to display options in single level groups:
Clearable option
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Option 8
Option 9
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<select class="form-select form-select-solid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true">
<option></option>
<option value="1">Option 1</option>
<option value="2" selected>Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
Modal Example
Use Select2 within Bootstrap Modal:
Launch demo modal
Modal example
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Option 8
Option 9
Option 10
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<!--begin::Modal-->
<div class="modal fade" tabindex="-1" id="kt_modal_1">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Modal title</h5>
<!--begin::Close-->
<div class="btn btn-icon btn-sm btn-active-light-primary ms-2" data-bs-dismiss="modal" aria-label="Close">
<span class="svg-icon svg-icon-2x"></span>
</div>
<!--end::Close-->
</div>
<div class="modal-body">
<div class="mb-10">
<label for="" class="form-label">Modal example</label>
<select class="form-select form-select-solid" data-control="select2" data-dropdown-parent="#kt_modal_1" data-placeholder="Select an option" data-allow-clear="true">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
<option value="7">Option 7</option>
<option value="8">Option 8</option>
<option value="9">Option 9</option>
<option value="10">Option 10</option>
</select>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-light" data-bs-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<!--end::Modal-->
Countries With Flags Example
Initialize Select2 programmatically and add
data-kt-select2-country
attribute with the path to the country flag to create a list with country icons.
Select a country
Afghanistan
Aland Islands
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia, Plurinational State of
Bonaire, Sint Eustatius and Saba
Bosnia and Herzegovina
Botswana
Brazil
British Indian Ocean Territory
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Cook Islands
Costa Rica
Côte d'Ivoire
Croatia
Cuba
Curaçao
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands (Malvinas)
Fiji
Finland
France
French Polynesia
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Greenland
Grenada
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Haiti
Holy See (Vatican City State)
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran, Islamic Republic of
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica
Japan
Jersey
Jordan
Kazakhstan
Kenya
Kiribati
Korea, Democratic People's Republic of
Kuwait
Kyrgyzstan
Lao People's Democratic Republic
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macao
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mexico
Micronesia, Federated States of
Moldova, Republic of
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Palestinian Territory, Occupied
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Qatar
Romania
Russian Federation
Rwanda
Saint Barthélemy
Saint Kitts and Nevis
Saint Lucia
Saint Martin (French part)
Saint Vincent and the Grenadines
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Sint Maarten (Dutch part)
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Korea
South Sudan
Spain
Sri Lanka
Sudan
Suriname
Swaziland
Sweden
Switzerland
Syrian Arab Republic
Taiwan, Province of China
Tajikistan
Tanzania, United Republic of
Thailand
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
Uruguay
Uzbekistan
Vanuatu
Venezuela, Bolivarian Republic of
Vietnam
Virgin Islands
Yemen
Zambia
Zimbabwe
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// Format options
var optionFormat = function(item) {
if ( !item.id ) {
return item.text;
}
var span = document.createElement('span');
var imgUrl = item.element.getAttribute('data-kt-select2-country');
var template = '';
template += '<img src="' + imgUrl + '" class="rounded-circle h-20px me-2" alt="image"/>';
template += item.text;
span.innerHTML = template;
return $(span);
}
// Init Select2 --- more info: https://select2.org/
$('#kt_docs_select2_country').select2({
templateSelection: optionFormat,
templateResult: optionFormat
});
<div class="form-floating border rounded">
<select class="form-select form-select-transparent" placeholder="..." id="kt_docs_select2_country">
<option></option>
<option value="AF" data-kt-select2-country="assets/media/flags/afghanistan.svg">Afghanistan</option>
<option value="AX" data-kt-select2-country="assets/media/flags/aland-islands.svg">Aland Islands</option>
...
</select>
<label for="kt_docs_select2_country">Select a country</label>
</div>
Users With Photos Example
Initialize Select2 programmatically and add
data-kt-select2-user
attribute with the path to the user avatar to create a list with user portraits.
Select a user
Emma Smith
Max Smith
Sean Bean
Brian Cox
Francis Mitcham
Dan Wilson
Ana Crown
John Miller
Ethan Wilder
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// Format options
var optionFormat = function(item) {
if ( !item.id ) {
return item.text;
}
var span = document.createElement('span');
var imgUrl = item.element.getAttribute('data-kt-select2-user');
var template = '';
template += '<img src="' + imgUrl + '" class="rounded-circle h-20px me-2" alt="image"/>';
template += item.text;
span.innerHTML = template;
return $(span);
}
// Init Select2 --- more info: https://select2.org/
$('#kt_docs_select2_country').select2({
templateSelection: optionFormat,
templateResult: optionFormat
});
<div class="form-floating border rounded">
<select class="form-select form-select-transparent" data-placeholder="..." id="kt_docs_select2_users">
<option></option>
<option value="0" data-kt-select2-user="assets/media/avatars/300-6.jpg">Emma Smith</option>
<option value="1" data-kt-select2-user="assets/media/avatars/300-1.jpg">Max Smith</option>
...
</select>
<label for="kt_docs_select2_users">Select a user</label>
</div>
Validation States
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<form class="was-validated">
<div class="mb-10">
<label for="" class="form-label">Valid state</label>
<select class="form-select form-select-solid is-valid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true" multiple="multiple">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
<div class="valid-feedback">
Looks good!
</div>
</div>
<div class="0">
<label for="" class="form-label">Invalid state</label>
<select class="form-select form-select-solid is-invalid" data-control="select2" data-placeholder="Select an option" data-allow-clear="true" multiple="multiple">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
<div id="validationServerUsernameFeedback" class="invalid-feedback">
Please choose a username.
</div>
</div>
</form>