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| layout | title | description | group | toc |
|---|---|---|---|---|
| docs | Input group | Easily extend form controls by adding text, buttons, or button groups on either side of textual inputs, custom selects, and custom file inputs. | components | true |
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 html %}
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.
{% example html %}
Checkboxes and radios
Place any checkbox or radio option within an input group's addon instead of text.
{% example html %}
Multiple inputs
While multiple <input>s are supported visually, validation styles are only available for input groups with a single <input>.
{% example html %}
Multiple addons
Multiple add-ons are supported and can be mixed with checkbox and radio input versions.
{% example html %}
Button addons
{% example html %}
Buttons with dropdowns
{% example html %}
{% endexample %}Segmented buttons
{% example html %}
Custom forms
Input groups include support for custom selects and custom file inputs. Browser default versions of these are not supported.
Custom select
{% example html %}
Custom file input
{% example html %}
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.