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HTML DOM Radio Object


Radio Object

The Radio object represents an HTML <input type="radio"> element.

Access a Radio Object

You can access an <input type="radio"> element by using getElementById():

var x = document.getElementById("myRadio"); Try it

Tip: You can also access a Radio object by searching through the elements collection of a form.

Create a Radio Object

You can create an <input type="radio"> element by using the document.createElement() method:

var x = document.createElement("INPUT");
x.setAttribute("type", "radio"); Try it

Radio Object Properties

Property Description
checked Sets or returns the checked state of a radio button
defaultChecked Returns the default value of the checked attribute
disabled Sets or returns whether the radio button is disabled, or not
form Returns a reference to the form that contains the radio button
name Sets or returns the value of the name attribute of a radio button
type Returns which type of form element the radio button is
value Sets or returns the value of the value attribute of the radio button

Standard Properties and Events

The Radio object also supports the standard properties and events.


Related Pages

HTML tutorial: HTML Forms

HTML reference: HTML <input> tag

HTML reference: HTML <input> type attribute



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