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Bootstrap 4 Form Inputs


Supported Form Controls

Bootstrap supports the following form controls:

  • input
  • textarea
  • checkbox
  • radio
  • select

Bootstrap Input

Bootstrap supports all the HTML5 input types: text, password, datetime, datetime-local, date, month, time, week, number, email, url, search, tel, and color.

Note: Inputs will NOT be fully styled if their type is not properly declared!

The following example contains two input elements; one of type="text" and one of type="password". As we mentioned in the Forms chapter, we use the .form-control class to style inputs with full-width and proper padding, etc:

Example

<div class="form-group">
  <label for="usr">Name:</label>
  <input type="text" class="form-control" id="usr">
</div>
<div class="form-group">
  <label for="pwd">Password:</label>
  <input type="password" class="form-control" id="pwd">
</div>
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Bootstrap Textarea

The following example contains a textarea:

Example

<div class="form-group">
  <label for="comment">Comment:</label>
  <textarea class="form-control" rows="5" id="comment"></textarea>
</div>
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Bootstrap Checkboxes

Checkboxes are used if you want the user to select any number of options from a list of preset options.

The following example contains three checkboxes. The last option is disabled:

Example

<div class="form-check">
  <label class="form-check-label">
    <input type="checkbox" class="form-check-input" value="">Option 1
  </label>
</div>
<div class="form-check">
  <label class="form-check-label">
    <input type="checkbox" class="form-check-input" value="">Option 2
  </label>
</div>
<div class="form-check">
  <label class="form-check-label">
    <input type="checkbox" class="form-check-input" value="" disabled>Option 3
  </label>
</div>
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Example explained

Use a wrapper element with class="form-check" to ensure proper margins for labels and checkboxes.

Add the .form-check-label class to label elements, and .form-check-input to style checkboxes properly inside the .form-check container.


Inline Checkboxes

Use the .form-check-inline class if you want the checkboxes to appear on the same line:

Example

<div class="form-check-inline">
  <label class="form-check-label">
    <input type="checkbox" class="form-check-input" value="">Option 1
  </label>
</div>
<div class="form-check-inline">
  <label class="form-check-label">
    <input type="checkbox" class="form-check-input" value="">Option 2
  </label>
</div>
<div class="form-check-inline">
  <label class="form-check-label">
    <input type="checkbox" class="form-check-input" value="" disabled>Option 3
  </label>
</div>
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Bootstrap Radio Buttons

Radio buttons are used if you want to limit the user to just one selection from a list of preset options.

The following example contains three radio buttons. The last option is disabled:

Example

<div class="form-check">
  <label class="form-check-label">
    <input type="radio" class="form-check-input" name="optradio">Option 1
  </label>
</div>
<div class="form-check">
  <label class="form-check-label">
    <input type="radio" class="form-check-input" name="optradio">Option 2
  </label>
</div>
<div class="form-check disabled">
  <label class="form-check-label">
    <input type="radio" class="form-check-input" name="optradio" disabled>Option 3
  </label>
</div>
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As with checkboxes, use the .form-check-inline class if you want the radio buttons to appear on the same line:

Example

<div class="form-check-inline">
  <label class="form-check-label">
    <input type="radio" class="form-check-input" name="optradio">Option 1
  </label>
</div>
<div class="form-check-inline">
  <label class="form-check-label">
    <input type="radio" class="form-check-input" name="optradio">Option 2
  </label>
</div>
<div class="form-check-inline disabled">
  <label class="form-check-label">
    <input type="radio" class="form-check-input" name="optradio" disabled>Option 3
  </label>
</div>
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Bootstrap Select List


Select lists are used if you want to allow the user to pick from multiple options.

The following example contains a dropdown list (select list):

Example

<div class="form-group">
  <label for="sel1">Select list:</label>
  <select class="form-control" id="sel1">
    <option>1</option>
    <option>2</option>
    <option>3</option>
    <option>4</option>
  </select>
</div>
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Form Control Sizing

Change the size of the form control with .form-control-sm or .form-control-lg:

Example

<input type="text" class="form-control form-control-sm">
<input type="text" class="form-control form-control">
<input type="text" class="form-control form-control-lg">
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Form Control with Plain Text

Use the .form-control-plaintext if you want to style the input field as plain text:

Example

<input type="text" class="form-control-plaintext">
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Form Control File and Range

Add the .form-control-range class to input type"range" or .form-control-file to input type"file" to style a range control or a file field with full-width:

Example

<input type="range" class="form-control-range">
<input type="file" class="form-control-file border">
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