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Showing content from https://bootstrap-vue.org/docs/components/input-group below:

Input Group | Components | BootstrapVue

Input Group

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

<div>
  
  <b-input-group size="lg" prepend="$" append=".00">
    <b-form-input></b-form-input>
  </b-input-group>

  
  <b-input-group class="mt-3">
    <template #append>
      <b-input-group-text><strong class="text-danger">!</strong></b-input-group-text>
    </template>
    <b-form-input></b-form-input>
  </b-input-group>

  
  <b-input-group prepend="Username" class="mt-3">
    <b-form-input></b-form-input>
    <b-input-group-append>
      <b-button variant="outline-success">Button</b-button>
      <b-button variant="info">Button</b-button>
    </b-input-group-append>
  </b-input-group>
</div>

Usage

You can attach addons using either props, named slots and/or sub-components.

Using prepend and append props

Values will be internally wrapped by a <b-input-group-text> to display correctly.

<div>
  <b-input-group prepend="$" append=".00">
    <b-form-input></b-form-input>
  </b-input-group>

  <b-input-group prepend="0" append="100" class="mt-3">
    <b-form-input type="range" min="0" max="100"></b-form-input>
  </b-input-group>
</div>

Using named slots

if you want better control over addons, you can use prepend and append slots instead.

The slot content will automatically be wrapped by <b-input-group-prepend> or <b-input-group-append> to display correctly.

<div>
  <b-input-group>
    <template #prepend>
      <b-input-group-text >Username</b-input-group-text>
    </template>
    <b-form-input></b-form-input>

    <template #append>
      <b-dropdown text="Dropdown" variant="success">
        <b-dropdown-item>Action A</b-dropdown-item>
        <b-dropdown-item>Action B</b-dropdown-item>
      </b-dropdown>
    </template>
  </b-input-group>
</div>

Using sub-components

Use the <b-input-group-prepend> or <b-input-group-append> to add arbitrary addons wherever you like, and use these components to group buttons in your input group. Single buttons must always be wrapped in these components for proper styling.

<div>
  <b-input-group>
    <b-input-group-prepend>
      <b-button variant="outline-info">Button</b-button>
    </b-input-group-prepend>

    <b-form-input type="number" min="0.00"></b-form-input>

    <b-input-group-append>
      <b-button variant="outline-secondary">Button</b-button>
      <b-button variant="outline-primary">Button</b-button>
      <b-input-group-text>
        <b-icon icon="x" />
      </b-input-group-text>
    </b-input-group-append>
  </b-input-group>
</div>

Set the is-text prop on <b-input-group-prepend> or <b-input-group-append> if the content is textual in nature to apply proper styling. Alternatively, place the <b-input-group-text> subcomponent inside of the <b-input-group-prepend> or <b-input-group-append>. This also applies when you want to use on of BootstrapVue's icons.

Supported form-controls

The following are the form controls supported as the input-group's main input element:

Notes:

BootstrapVue uses custom SCSS/CSS to handling sizing the <b-form-file> input when it is placed in a <b-input-group> which has a size specified.
BootstrapVue uses custom SCSS/CSS when <b-form-input type="range"> is placed in a <b-input-group>.
BootstrapVue's custom components (i.e. <b-form-spinbutton>, <b-form-rating>, <b-form-tags>, etc.) require BootstrapVue's custom SCSS/CSS.

Checkbox and radio addons

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

Note: Bootstrap v4.x recommends using native radio and checkbox inputs over custom radios and checkboxes, but it is possible to use as <b-form-radio> and <b-form-checkbox> with a few utility classes applied.

Native checkbox and radio addons

<div>
  <b-input-group class="mb-2">
    <b-input-group-prepend is-text>
      <input type="checkbox" aria-label="Checkbox for following text input">
    </b-input-group-prepend>
    <b-form-input aria-label="Text input with checkbox"></b-form-input>
  </b-input-group>

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

Custom radio, checkbox, and switch addons

Using <b-form-checkbox> and <b-form-radio> components as addons, using Bootstrap utility classes for additional styling to get them to "fit" in the addon:

<div>
  <b-input-group class="mb-2">
    <b-input-group-prepend is-text>
      <b-form-checkbox class="mr-n2">
        <span class="sr-only">Checkbox for following text input</span>
      </b-form-checkbox>
    </b-input-group-prepend>
    <b-form-input aria-label="Text input with checkbox"></b-form-input>
  </b-input-group>

  <b-input-group class="mb-2">
    <b-input-group-prepend is-text>
      <b-form-radio class="mr-n2">
        <span class="sr-only">Radio for following text input</span>
      </b-form-radio>
    </b-input-group-prepend>
    <b-form-input aria-label="Text input with radio input"></b-form-input>
  </b-input-group>

  <b-input-group>
    <b-input-group-prepend is-text>
      <b-form-checkbox switch class="mr-n2">
        <span class="sr-only">Switch for following text input</span>
      </b-form-checkbox>
    </b-input-group-prepend>
    <b-form-input aria-label="Text input with switch"></b-form-input>
  </b-input-group>
</div>

In the above example, we have use the .sr-only class on a <span> to visually hide the custom control's label content (while making them still accessible to screen reader users), and used the utility class .mr-n2 to add a negative right margin to compensate for the "gutter" space between the control and the hidden label.

Multiple inputs

<div>
  <b-input-group prepend="First and last name" class="mb-2">
    <b-form-input aria-label="First name"></b-form-input>
    <b-form-input aria-label="Last name"></b-form-input>
  </b-input-group>
</div>

Multiple addons

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

<div>
  <b-input-group prepend="Item">
    <b-input-group-prepend is-text>
      <input type="checkbox" aria-label="Checkbox for following text input">
    </b-input-group-prepend>
    <b-input-group-prepend is-text><b>$</b></b-input-group-prepend>
    <b-form-input type="number" aria-label="Text input with checkbox"></b-form-input>
  </b-input-group>
</div>

Dropdown addons

<div>
  <b-input-group>
    <template #prepend>
      <b-dropdown text="Dropdown" variant="info">
        <b-dropdown-item>Action A</b-dropdown-item>
        <b-dropdown-item>Action B</b-dropdown-item>
      </b-dropdown>
    </template>

    <b-form-input></b-form-input>

    <template #append>
      <b-dropdown text="Dropdown" variant="outline-secondary" v-for="i in 2" :key="i">
        <b-dropdown-item>Action C</b-dropdown-item>
        <b-dropdown-item>Action D</b-dropdown-item>
      </b-dropdown>
    </template>
  </b-input-group>
</div>

Control sizing

Set height using the size prop to sm or lg for small or large respectively. There is no need to set size on the individual inputs or buttons. Note however, you will be required to also set the size on dropdowns.

<div>
  <b-input-group
    v-for="size in ['sm','','lg']"
    :key="size"
    :size="size"
    class="mb-3"
    prepend="Label"
  >
    <b-form-input></b-form-input>
    <b-input-group-append>
      <b-button size="sm" text="Button" variant="success">Button</b-button>
    </b-input-group-append>
  </b-input-group>
</div>

To control width, place the input inside standard Bootstrap grid column.

Sizing custom radio, checkbox and switch addons

If using <b-form-radio> or <b-form-checkbox> as addons, additional utility classes may be required to make everything fit correctly, depending on the size chosen:

<div>
  <b-input-group size="sm" prepend="Small" class="mb-2">
    <b-form-input aria-label="Small text input with custom switch"></b-form-input>
    <b-input-group-append is-text>
      <b-form-checkbox switch class="mr-n2 mb-n1">
        <span class="sr-only">Checkbox for previous text input</span>
      </b-form-checkbox>
    </b-input-group-append>
  </b-input-group>

  <b-input-group size="lg" prepend="Large" class="mb-2">
    <b-form-input aria-label="Large text input with switch"></b-form-input>
    <b-input-group-append is-text>
      <b-form-checkbox switch class="mr-n2">
        <span class="sr-only">Switch for previous text input</span>
      </b-form-checkbox>
    </b-input-group-append>
  </b-input-group>
</div>

Specifically, when using the sm size on <b-input-group> you will need to add a negative bottom margin, via the use of the .mb-n1 utility class.

Contextual states

Bootstrap v4 currently does not support contextual state styling (i.e. valid or invalid) of input groups. However, the inputs inside the input group do support contextual state.

Component reference

Properties

All property default values are globally configurable.

Property

Type

Default

Description

append
String Text to append to the input group append-html
Use with caution String HTML string to append to the input group. Has precedence over 'append' prop id
String Used to set the `id` attribute on the rendered content, and used as the base to generate any additional element IDs as needed prepend
String Text to prepend to the input group prepend-html
Use with caution String HTML string to prepend to the input group. Has precedence over 'prepend' prop size
String Set the size of the component's appearance. 'sm', 'md' (default), or 'lg' tag
String 'div' Specify the HTML tag to render instead of the default tag

Caution: Props that support HTML strings (*-html) can be vulnerable to Cross Site Scripting (XSS) attacks when passed raw user supplied values. You must properly sanitize the user input first!

Slots

Name

Description

append Append attachment default Content to place in the input group prepend Prepend attachment

Properties

All property default values are globally configurable.

Property

Type

Default

Description

id
String Used to set the `id` attribute on the rendered content, and used as the base to generate any additional element IDs as needed is-text
Boolean false When 'true', wraps the content in a b-input-group-text component tag
String 'div' Specify the HTML tag to render instead of the default tag Slots

Name

Description

default Content to place in the input group prepend

Properties

All property default values are globally configurable.

Property

Type

Default

Description

Name

Description

default Content to place in the input group append

Properties

All property default values are globally configurable.

Property

Type

Default

Description

tag
String 'div' Specify the HTML tag to render instead of the default tag Slots

Name

Description

default Content to place in the input group text

Properties

All property default values are globally configurable.

Property

Type

Default

Description

append
Boolean false When set to 'true' sets the addon as being appended. defaults to 'false' which is prepended id
String Used to set the `id` attribute on the rendered content, and used as the base to generate any additional element IDs as needed is-text
Boolean false When 'true', wraps the content in a b-input-group-text component tag
String 'div' Specify the HTML tag to render instead of the default tag Slots

Name

Description

default Content to place in the input group addon Importing individual components

You can import individual components into your project via the following named exports:

Component

Named Export

Import Path

<b-input-group> BInputGroup bootstrap-vue <b-input-group-prepend> BInputGroupPrepend bootstrap-vue <b-input-group-append> BInputGroupAppend bootstrap-vue <b-input-group-text> BInputGroupText bootstrap-vue <b-input-group-addon> BInputGroupAddon bootstrap-vue

Example:

import { BInputGroup } from 'bootstrap-vue'
Vue.component('b-input-group', BInputGroup)

Importing as a Vue.js plugin

This plugin includes all of the above listed individual components. Plugins also include any component aliases.

Named Export

Import Path

InputGroupPlugin bootstrap-vue

Example:

import { InputGroupPlugin } from 'bootstrap-vue'
Vue.use(InputGroupPlugin)

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