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

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

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

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

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

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