Dynamic HTML: The Definitive Reference

Name

ID — NN 4 IE 3 HTML 4

Synopsis

ID=”elementIdentifier"

Optional

A unique identifier that distinguishes this element from all the rest in the document. Can be used to associate a single element with a style rule naming this attribute value as an ID selector. An element can have an ID assigned for uniqueness as well as a class for inclusion within a group. See Chapter 3.

If you assign an ID attribute and not a NAME attribute, the value of the ID attribute cannot be used reliably as the IMG element’s name in script reference forms that use the element name. Some browser platforms insist on the NAME attribute being used in an image name reference.

Example

<IMG SRC="desk3.gif" ID="desk3" HEIGHT=90 WIDTH=120>

Value

Case-sensitive identifier.

Default

None.

Object Model Reference

IE

[window.]document.imageName.id

[window.]document.images[i].id