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Sunday, December 22, 2024

Easily extend form controls by adding text, buttons, or button groups on either side of textual inputs, custom selects, and custom file inputs.

Basic example

Place one add-on or button on either side of an input. You may also place one on both sides of an input. We do not support multiple form-controls in a single input group and <label>s must come outside the input group.

@example.com

Your vanity URL

https://example.com/users/

.00

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text" id="basic-addon1">@</span>
	</div>
	<input class="form-control" placeholder="Username" aria-label="Username" aria-describedby="basic-addon1" type="text">
</div>

<div class="input-group mb-3">
	<input class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2"
		type="text">
	<div class="input-group-append">
		<span class="input-group-text" id="basic-addon2">@example.com</span>
	</div>
</div>

<label for="basic-url">Your vanity URL</label>
<div class="input-group mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text" id="basic-addon3">https://example.com/users/</span>
	</div>
	<input class="form-control" id="basic-url" aria-describedby="basic-addon3" type="text">
</div>

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text">$</span>
	</div>
	<input class="form-control" aria-label="Amount (to the nearest dollar)" type="text">
	<div class="input-group-append">
		<span class="input-group-text">.00</span>
	</div>
</div>

Sizing

Add the relative form sizing classes to the .input-group itself and contents within will automatically resize—no need for repeating the form control size classes on each element.

Sizing on the individual input group elements isn’t supported.

Small

Default

Large

<div class="input-group input-group-sm mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text" id="inputGroup-sizing-sm">Small</span>
	</div>
	<input class="form-control" aria-label="Small" aria-describedby="inputGroup-sizing-sm" type="text">
</div>

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text" id="inputGroup-sizing-default">Default</span>
	</div>
	<input class="form-control" aria-label="Default" aria-describedby="inputGroup-sizing-default" type="text">
</div>

<div class="input-group input-group-lg">
	<div class="input-group-prepend">
		<span class="input-group-text" id="inputGroup-sizing-lg">Large</span>
	</div>
	<input class="form-control" aria-label="Large" aria-describedby="inputGroup-sizing-sm" type="text">
</div>

Checkboxes and radios

Place any checkbox or radio option within an input group’s addon instead of text.

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<div class="input-group-text">
			<input aria-label="Checkbox for following text input" type="checkbox">
		</div>
	</div>
	<input class="form-control" aria-label="Text input with checkbox" type="text">
</div>

<div class="input-group">
	<div class="input-group-prepend">
		<div class="input-group-text">
			<input aria-label="Radio button for following text input" type="radio">
		</div>
	</div>
	<input class="form-control" aria-label="Text input with radio button" type="text">
</div>

Multiple inputs

While multiple <input>s are supported visually, validation styles are only available for input groups with a single <input>.

First and last name

<div class="input-group">
	<div class="input-group-prepend">
		<span class="input-group-text">First and last name</span>
	</div>
	<input class="form-control" type="text">
	<input class="form-control" type="text">
</div>

Multiple addons

Multiple add-ons are supported and can be mixed with checkbox and radio input versions.

$ 0.00

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text">$</span>
		<span class="input-group-text">0.00</span>
	</div>
	<input class="form-control" aria-label="Amount (to the nearest dollar)" type="text">
</div>

<div class="input-group">
	<input class="form-control" aria-label="Amount (to the nearest dollar)" type="text">
	<div class="input-group-append">
		<span class="input-group-text">$</span>
		<span class="input-group-text">0.00</span>
	</div>
</div>

Button addons

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
	<input class="form-control" placeholder="" aria-label="" aria-describedby="basic-addon1" type="text">
</div>

<div class="input-group mb-3">
	<input class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2"
		type="text">
	<div class="input-group-append">
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
</div>

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<button class="btn btn-outline-secondary" type="button">Button</button>
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
	<input class="form-control" placeholder="" aria-label="" aria-describedby="basic-addon1" type="text">
</div>

<div class="input-group">
	<input class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2"
		type="text">
	<div class="input-group-append">
		<button class="btn btn-outline-secondary" type="button">Button</button>
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
</div>

Buttons with dropdowns

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</button>
		<div class="dropdown-menu">
			<a class="dropdown-item" href="#">Action</a>
			<a class="dropdown-item" href="#">Another action</a>
			<a class="dropdown-item" href="#">Something else here</a>
			<div role="separator" class="dropdown-divider"></div>
			<a class="dropdown-item" href="#">Separated link</a>
		</div>
	</div>
	<input class="form-control" aria-label="Text input with dropdown button" type="text">
</div>

<div class="input-group">
	<input class="form-control" aria-label="Text input with dropdown button" type="text">
	<div class="input-group-append">
		<button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</button>
		<div class="dropdown-menu">
			<a class="dropdown-item" href="#">Action</a>
			<a class="dropdown-item" href="#">Another action</a>
			<a class="dropdown-item" href="#">Something else here</a>
			<div role="separator" class="dropdown-divider"></div>
			<a class="dropdown-item" href="#">Separated link</a>
		</div>
	</div>
</div>

Segmented buttons

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<button type="button" class="btn btn-outline-secondary">Action</button>
		<button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true"
			aria-expanded="false">
			<span class="sr-only">Toggle Dropdown</span>
		</button>
		<div class="dropdown-menu">
			<a class="dropdown-item" href="#">Action</a>
			<a class="dropdown-item" href="#">Another action</a>
			<a class="dropdown-item" href="#">Something else here</a>
			<div role="separator" class="dropdown-divider"></div>
			<a class="dropdown-item" href="#">Separated link</a>
		</div>
	</div>
	<input class="form-control" aria-label="Text input with segmented dropdown button" type="text">
</div>

<div class="input-group">
	<input class="form-control" aria-label="Text input with segmented dropdown button" type="text">
	<div class="input-group-append">
		<button type="button" class="btn btn-outline-secondary">Action</button>
		<button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true"
			aria-expanded="false">
			<span class="sr-only">Toggle Dropdown</span>
		</button>
		<div class="dropdown-menu">
			<a class="dropdown-item" href="#">Action</a>
			<a class="dropdown-item" href="#">Another action</a>
			<a class="dropdown-item" href="#">Something else here</a>
			<div role="separator" class="dropdown-divider"></div>
			<a class="dropdown-item" href="#">Separated link</a>
		</div>
	</div>
</div>

Custom forms

Input groups include support for custom selects and custom file inputs. Browser default versions of these are not supported.

Custom select

Options

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<label class="input-group-text" for="inputGroupSelect01">Options</label>
	</div>
	<select class="custom-select" id="inputGroupSelect01">
		<option selected="">Choose...</option>
		<option value="1">One</option>
		<option value="2">Two</option>
		<option value="3">Three</option>
	</select>
</div>

<div class="input-group mb-3">
	<select class="custom-select" id="inputGroupSelect02">
		<option selected="">Choose...</option>
		<option value="1">One</option>
		<option value="2">Two</option>
		<option value="3">Three</option>
	</select>
	<div class="input-group-append">
		<label class="input-group-text" for="inputGroupSelect02">Options</label>
	</div>
</div>

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
	<select class="custom-select" id="inputGroupSelect03">
		<option selected="">Choose...</option>
		<option value="1">One</option>
		<option value="2">Two</option>
		<option value="3">Three</option>
	</select>
</div>

<div class="input-group">
	<select class="custom-select" id="inputGroupSelect04">
		<option selected="">Choose...</option>
		<option value="1">One</option>
		<option value="2">Two</option>
		<option value="3">Three</option>
	</select>
	<div class="input-group-append">
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
</div>

Custom file input

Upload

Choose file

Upload

Choose file

<div class="input-group mb-3">
	<div class="input-group-prepend">
		<span class="input-group-text">Upload</span>
	</div>
	<div class="custom-file">
		<input class="custom-file-input" id="inputGroupFile01" type="file">
		<label class="custom-file-label" for="inputGroupFile01">Choose file</label>
	</div>
</div>
<div class="input-group mb-3">
	<div class="custom-file">
		<input class="custom-file-input" id="inputGroupFile02" type="file">
		<label class="custom-file-label" for="inputGroupFile02">Choose file</label>
	</div>
	<div class="input-group-append">
		<span class="input-group-text">Upload</span>
	</div>
</div>
<div class="input-group mb-3">
	<div class="input-group-prepend">
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
	<div class="custom-file">
		<input class="custom-file-input" id="inputGroupFile03" type="file">
		<label class="custom-file-label" for="inputGroupFile03">Choose file</label>
	</div>
</div>
<div class="input-group">
	<div class="custom-file">
		<input class="custom-file-input" id="inputGroupFile04" type="file">
		<label class="custom-file-label" for="inputGroupFile04">Choose file</label>
	</div>
	<div class="input-group-append">
		<button class="btn btn-outline-secondary" type="button">Button</button>
	</div>
</div>

Accessibility

Screen readers will have trouble with your forms if you don’t include a label for every input. For these input groups, ensure that any additional label or functionality is conveyed to assistive technologies.

The exact technique to be used ( <label> elements hidden using the .sr-only class, or use of the aria-label and aria-labelledby attributes, possibly in combination with aria-describedby) and what additional information will need to be conveyed will vary depending on the exact type of interface widget you’re implementing. The examples in this section provide a few suggested, case-specific approaches.

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