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Bootstrap Select - examples & tutorial

Select

Bootstrap 5 Select component

Select fields components are used for collecting user provided information from a list of options.


Basic example


Multiselect

Add multiple attribute to the select element to activate multiple mode.


Select with label

It is possible to add select label by creating element with .form-label and .select-label classes.


Select with placeholder

Use placeholder option to set placeholder for select input. The placeholder will be displayed when input is focused and no option is selected.


Disabled select

Add disabled attribute to the select element to disable select input.


Disabled options

Use disabled attribute on option element to disable specific option.


Clear button

Set clearButton option to true to display the button that will allow to clear current selections.


Custom content

A custom content container with a class .select-custom-content will be displayed at the end of the select dropdown.


Visible options

Use visibleOptions option to change the number of options that will be displayed in the select dropdown without scrolling.


Secondary text

Add secondary-text data attribute to the specific options to display secondary text.



Select with search inside a modal

Due to a focus trap in modals, it is not possible to focus the outer elements (like select dropdown). You can use select data-mdb-container option to resolve this problem.

The data-mdb-container accepts selector of the element inside of wich select dropdown will be rendered. In this case, the selector should point to the modal container (the element with class .modal). It is important to use a unique selector to assign select to a specific modal.


Option groups

It is possible to group options by using optgroup element.


Select with icons

Add icon data attribute to the specific options to display the option icon.


Validation

Set validation option to true to enable component validation. The validFeedback and invalidFeedback options allow to modify the validation messages.


Set value

The setValue method allows to programatically set the component selections.


Single selection

Add single value string to the arguments list to correctly select option with corresponding value in single selection mode.


Multi selection

Add array of string values to the arguments list to correctly select option with corresponding value in multi selection mode.

Select - API


Usage

Via class


        <select class="select">
          <option value="1">One</option>
          <option value="2">Two</option>
          <option value="3">Three</option>
          <option value="4">Four</option>
          <option value="5">Five</option>
        </select>
      

Via JavaScript


        const mySelect = new mdb.Select(document.getElementById('mySelect'), options)
      

Options

Name Type Default Description
container String 'body' Container for the select dropdown. Accepts an element selector inside of which select dropdown will be rendered.
clearButton Boolean false Adds clear button to the select input
disabled Boolean false Changes select input state to disabled
displayedLabels Number 5 The maximum number of comma-separated list of options displayed on the Multiselect. If a user selects more options than that value, the X options selected text will be displayed instead. If set to -1, the limit is off.
filter Boolean false Displays filter input that allow to search for specific option
filterDebounce Number 300 Adds delay to the options list updates when using filter input. Improves performance of the select with filter.
formWhite Boolean false Adjust input colors for dark backgrounds.
invalidFeedback String Invalid The text which is displayed below the Material Select when the validate option is enabled and the select is invalid
noResultText String 'No results found' The text that will be displayed when no option is found after using select filter
placeholder String - The text that will be displayed as select input placeholder
size String 'default' Changes input size. Available options: 'sm', 'lg', 'default'.
optionsSelectedLabel String 'options selected' The text which is displayed on the Multiselect when there are more than 5 (default) options selected, e.g. 7 options selected
optionHeight Number 38 Height of the select option. Used to determine dropdown height and number of visible options.
selectAll Boolean true Displays select all option in multiselect dropdown
selectAllLabel String 'Select all' Changes label of select all option.
searchPlaceholder String 'Search...' Changes placeholder of the select search input.
validation Boolean false Adds required validation to the component.
validFeedback String 'Valid' The text which is displayed below the Material Select when the validate option is enabled and the select is valid.
visibleOptions Number 5 The maximum number of options which are visible in the select dropdown without scrolling.

Methods

Name Description Example
open Manually opens a select mySelect.open()
close Manually closes a select mySelect.close()
setValue Programatically set component selections. Add single value for default select and array of values for multiselect. mySelect.setValue('3')
dispose Disposes a select instance mySelect.dispose()
getInstance Static method which allows you to get the select instance associated to a DOM element. Select.getInstance(selectEl)

            const selectEl = document.getElementById('mySelect')
            const select = new mdb.Select(selectEl)
            select.open()
          

Events

Name Description
open.mdb.select This event fires immediately when the select is opened.
close.mdb.select This event fires immediately when the select is closed.
valueChange.mdb.select This event fires immediately when the select value changes.
optionSelect.mdb.select This event fires immediately when the select option is selected.
optionDeselect.mdb.select This event fires immediately when the select option is deselected.

            const mySelect = document.getElementById('mySelect')
            mySelect.addEventListener('open.mdb.select', (e) => {
              // do something...
            })
          

Import

MDB UI KIT also works with module bundlers. Use the following code to import this component:


        import { Select } from 'mdb-ui-kit';