Working with Forms and Input Devices - JavaScript by Example - page 396

window

document

form

checkbox

Figure 11.43 How the checkbox object is created within the JavaScript hierarchy.

Table 11.19 Properties of the checkbox Object

Property What It Describes

accessKey Sets or returns the keyboard key to access a checkbox.

alt Sets or returns an alternate text to display if a browser does not

support checkboxes.

checked Returns true if the checkbox is checked.

defaultChecked Returns true if the <input> tag includes the checked attribute, a default

box that is initially checked; otherwise, returns false.

disabled Sets or returns whether or not a checkbox should be disabled.

form The name of the form where the checkbox is defined.

id Sets or returns the id of a checkbox.

name A string that names the checkbox.

tabIndex Sets or returns the tab order for a checkbox.

type The type of input device; i.e., checkbox.

value The text assigned to the value attribute.