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HTML <input> checked Attribute

HTML input Tag Reference HTML <input> tag

Example

An HTML form with a pre-selected checkbox:

<form action="demo_form.asp">
<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

Internet Explorer Firefox Opera Google Chrome Safari

The checked attribute is supported in all major browsers.


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.


Differences Between HTML 4.01 and HTML5

NONE.


Differences Between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the checked attribute must be defined as <input checked="checked" />.


Syntax

<input checked>


HTML input Tag Reference HTML <input> tag

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