HTML input checked Attribute

HTML <input> tag

Definition and Usage

The checked attribute specifies if the input is pre-checked (pre selected "on").

This attribute is only used if the type attribute of the input element is set to "checkbox" or "radio".

This attribute is useful for preselecting inputs in a form, or preserving the state of a form selection.

Syntax

<input checked="checked" />

Attribute Values

Browser Support

The attribute is supported in all major browsers.

Example

<form action="">
Checked checkbox: <input type="checkbox"
name="cbox" id="cbox" checked="checked" />
</form>

Try-It-Yourself Demos

input checked attribute example
How use the checked attribute with a checkbox and radio button.

HTML <input> tag

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