MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Spezifikationen PDF herunterladen (Seite 132)

100

101

132 The Dreamweaver Document Object Model

Properties and methods of HTML tag objects

Every HTML tag is represented by a JavaScript object. Tags are organized in a tree hierarchy,

where tag

x is a parent of tag y, if y falls completely within x’s opening and closing tags (<x>x

content <y>y content</y> more x content.</x>

). For this reason, your code should be

well-formed.

The following table lists the properties and methods of tag objects in Dreamweaver, along

with their return values or explanations. A bullet (•) marks read-only properties.

childNodes •

A NodeList that contains all the immediate children of the

document object. Typically the document has a single child,

the

HTML object.

documentElement •

The JavaScript object that corresponds to the HTML tag.

This property is shorthand for getting the value of

document.childNodes and extracting the HTML tag from

the

NodeList.

body •

The JavaScript object that corresponds to the BODY tag.

This property is shorthand for calling

document.documentElement.childNodes and extracting the

BODY tag from the NodeList. For frameset documents, this

property returns the node for the outermost frameset.

URL •

The file://URL for the document or, if the file has not been

saved, an empty string.

getElementsByTagName(tagName)

A NodeList that can be used to step through tags of type

tagName (for example, IMG, DIV, and so on).

If the

tag argument is LAYER, the function returns all LAYER

and

ILAYER tags and all absolutely positioned DIV and SPAN

tags.

If the

tag argument is INPUT, the function returns all form

elements. (If a name attribute is specified for one or more

tagName objects, it must begin with a letter, which the

HTML 4.01 specification requires, or the length of the array

that this function returns is incorrect.)

hasChildNodes() true

Property or method Return value

nodeType • Node.ELEMENT_NODE

parentNode •

The parent tag. If this is the HTML tag, the document

object returns.

Property or method Return value

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 503 504

Kommentare zu diesen Handbüchern

Keine Kommentare

MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Spezifikationen Seite 132

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Software-Handbücher MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER