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HTML <select> required Attribute

HTML <select> tag

Example

An HTML form with a required drop-down list:

<label for="cars">Choose a car:</label>

<select name="cars" id="cars" required>
  <option value="">None</option>
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>
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Definition and Usage

The required attribute is a boolean attribute.

When present, it specifies the user is required to select a value before submitting the form.


Browser Support

Attribute
required Yes 10.0 4.0  Yes Yes

Syntax

<select required>

HTML <select> tag