Radio

Radio : Radio Button : Form JAVASCRIPT TUTORIALS

JAVASCRIPT TUTORIALS » Form » Radio Button »

The Radio object represents a check box within an HTML form.

A check box is created using the HTML tag and specifying the TYPE attribute as radio.

Property/Method	Description
blur()	Removes focus from Radio object
checked	Specifies whether a button is checked or unchecked
click()	Simulates a mouse click on the button
defaultChecked	Refers to the CHECKED attribute of the HTML tag
focus()	Sets the focus to a button
form	Refers to the Form object that contains the Radio object
handleEvent()	Invokes the default handler for the specified event
name	Refers to the NAME attribute of the HTML tag
onBlur	Event handler for Blur event
onClick	Event handler for Click event
onFocus	Event handler for Focus event
type	Refers to the TYPE attribute of the HTML tag
value	Refers to the VALUE attribute of the HTML tag



<html>
    <head>
    <title> Example of the Radio object title>
    </head>
    <body>
    <form name="form1">
    <input type="radio" name=button1 ?onClick='alert(document.form1.button1.name)'>Box 1
    <br>
    <input type="radio" name=button2>Box 2
    <br>
    </form>
    </body>
    </html>