W3C DOM Reference - Beginning JavaScript - page 719

Property Name Description Introduced

readOnly Used only if type is text or password . Gets or sets the value

of the readonly attribute.

Level 1

rows Gets or sets the value of the rows attribute. Level 1

type Gets the value of the type attribute. Always set to textarea . Level 1

value Gets or sets the current value of the element. Level 1

Methods

Method Name Description Introduced

blur() Removes keyboard focus from the element. Level 1

focus() Gives keyboard focus to the element. Level 1

select() Selects the contents of the element. Level 1

DOM Event Model and Objects
The DOM event model was introduced in DOM Level 2. It describes an event system where every event
has an event target. When an event reaches an event target, all registered event handlers on the event
target are triggered for that specifi c event. The following objects are described by the DOM event model.

EventTarget
The EventTarget object is inherited by all HTMLElement objects in the DOM. This object provides the
means for the registration and removal of event handlers on the event target.

Methods

Method Name Description

addEventListener(type,
listener, useCapture)

Registers an event handler on an element. type is the event
type to listen for, listener is the JavaScript function to call
when the event is fi red, and useCapture determines whether
the event is captured or bubbles.

removeEventListener(type,
listener, useCapture)

Removes a listener from the element.