Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AWS AI GO KOTLIN SASS VUE GEN AI SCIPY CYBERSECURITY DATA SCIENCE
     ❯   

HTML checked Attribute


Definition and Usage

The checked attribute is a boolean attribute.

When present, it specifies that an <input> element should be pre-selected (checked) when the page loads.

The checked attribute can be used with <input type="checkbox"> and <input type="radio">.

The checked attribute can also be set after the page load, with a JavaScript.


Applies to

The checked attribute can be used on the following element:

Element Attribute
<input> checked

Examples

Input Example

An HTML form with a pre-selected checkbox:

<form action="/action_page.php">
  <input type="checkbox" name="vehicle" value="Bike"> I have a bike<br>
  <input type="checkbox" name="vehicle" value="Car" checked> I have a car<br>
  <input type="submit" value="Submit">
</form>
Try it Yourself »

Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
checked 1.0 2.0 1.0 1.0 1.0

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2023 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.