1. COP 3813 Intro to Internet Computing
Prof. Roy Levow
Lecture 7
DHTML Intro

2. Dynamic HTML Warning! Microsoft DHTML and Netscape DHTML are different
They are not compatable
Examples run under IE but not Netscape

3. Dynamic HTML Object Model
XHTML elements can be treated as objects
Their XHTML attributes become properties of the objects
The properties can be manipulated by scripts for dynamic effect
The id attribute defines the object name
Example: reference.html

4. Collections all and children
A collection is basically an array of related objects
The all collection consists of all XHTML elements of a document
The children collection of an object consists of all the immediately contained elements
Examples: all.html, children.html

5. Dynamic Styles Styles can change dynamically
Example: dynamicstyle.htlm
Font attributes can change dynamically
Example: dynamicstyle2.html
Position can change dynamically
Example: dynamicposition.html

6. Cross Frame Scripting Navigator Object
A script in one frame can reference items in another frame
Example: index.html, top.html
Navigator object
Provides information about browser displaying page
Example: navigator.html