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Bootstrap5 Dropdown Menus

Dropdown menus can be single-select or multi-select.

Single-select Dropdown Menu:

Multi-select Dropdown Menu:

In Bootstrap5, the <select> element can be rendered using the .form-select class:

Example

<select class="form-select">
  <option>1</option>
  <option>2</option>
  <option>3</option>
  <option>4</option>
</select>

Dropdown menus can be resized using the .form-select-lg or .form-select-sm classes:

Example

<select class="form-select form-select-lg">
<select class="form-select">
<select class="form-select form-select-sm">

The effect is shown in the following image:

The disabled attribute can prevent the dropdown menu from being selected:

Example

&lt;select class="form-select" disabled>
  <option>1</option>
  <option>2</option>
  <option>3</option>
  <option>4</option>
</select>

Data List

Bootstrap can also set dropdown menus for <input> elements using the datalist tag:

The following example selects a website from a list:

Example

<label for="browser" class="form-label">Choose your favorite website:</label>
<input class="form-control" list="sites" name="site" id="site">
<datalist id="sites">
  <option value="Google">
  <option value="tutorialpro">
  <option value="Taobao">
  <option value="Wiki">
  <option value="Zhihu">
</datalist>

The effect is shown in the following image:

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