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HTML DOM Radio Object

From http://www.w3schools.com (Copyright Refsnes Data)

HTML DOM Radio Object


Radio Object

The Radio object represents a radio button in an HTML form.

For each instance of an <input type="radio"> tag in an HTML form, a Radio object is created.

You can access a radio object by searching through the elements[] array of the form, or by using document.getElementById().

IE: Internet Explorer, F: Firefox, O: Opera, W3C: World Wide Web Consortium (Internet Standard).

Radio Object Properties

Property Description IE  F O W3C
accessKey Sets or returns the keyboard key to access a radio button 4 1 9 Yes
alt Sets or returns an alternate text to display if a browser does not support radio buttons 5 1 9 Yes
checked Sets or returns the state of a radio button 4 1 9 Yes
defaultChecked Returns the default state of a radio button 4 1 9 Yes
disabled Sets or returns whether or not a radio button should be disabled 5 1 9 Yes
form Returns a reference to the form that contains the radio button 4 1 9 Yes
id Sets or returns the id of a radio button 4 1 9 Yes
name Sets or returns the name of a radio button 4 1 9 Yes
tabIndex Sets or returns the tab order for a radio button 4 1 9 Yes
type Returns the type of form element a radio button is 4 1 9 Yes
value Sets or returns the value of the value attribute of the radio button 4 1 9 Yes

Standard Properties

Property Description IE  F O W3C
className Sets or returns the class attribute of an element 5 1 9 Yes
dir Sets or returns the direction of text 5 1 9 Yes
lang Sets or returns the language code for an element 5 1 9 Yes
title Sets or returns an element's advisory title 5 1 9 Yes

Radio Object Methods

Method Description IE F O W3C
blur() Removes focus from a radio button No 1 9 Yes
click() Simulates a mouse-click on a radio button No 2 9 Yes
focus() Sets focus on a radio button No 1 9 Yes



From http://www.w3schools.com (Copyright Refsnes Data)

Home>Manual>HTML DOM Radio Object