Input Radio defaultChecked Attribute

HTML DOM Input Radio Object

Definition and Usage

defaultChecked This property returns the default value of the checked attribute.

If the radio button is selected by default, this property returns true; otherwise return false.

Example

Check if the radio button is selected by default:

var x = document.getElementById("myRadio").checked;

Try It Yourself

Syntax

radioObject.defaultChecked

Technical Details

Return value: Boolean value, returned if the radio button is selected by default true; otherwise return false.

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
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HTML DOM Input Radio Object