MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Spezifikationen PDF herunterladen (Seite 134)

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101

134 The Dreamweaver Document Object Model

Properties and methods of text objects

Each contiguous block of text in an HTML document (for example, the text within a P tag) is

represented by a JavaScript object. Text objects never have children. The following table

describes the properties and methods of text objects that are taken from DOM Level 1 and

used in Dreamweaver. A bullet (•) marks read-only properties.

getElementsByTagName(tagName)

A NodeList that can be used to step through child 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

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()

A Boolean value that indicates whether the tag has

any children.

hasTranslatedAttributes()

A Boolean value that indicates whether the tag has any

translated attributes. (This property is not included in

DOM Level 1; it was added to Dreamweaver 3 to

support attribute translation.)

Property or method Return value

nodeType • Node.TEXT_NODE

parentNode •

The parent tag

childNodes •

An empty NodeList

data

The actual text string. Entities in the text are

represented as a single character (for example, the text

Joseph & I is returned as Joseph & I).

hasChildNodes() false

Property or method Return value

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