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Oracle Application Express 4.0 with Ext JS by Mark Lancaster

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Chapter 2. Getting Acquainted with Ext

In this chapter we will be familiarizing ourselves with some of the functionality the Ext JS library provides for manipulating the Document Object Model.

The Document Object Model (DOM) is an API that provides a structural representation of a HTML document. This allows developers to manipulate web pages using the properties, methods, and events exposed by the DOM. Manipulation of DOM elements is one of the basic staple tasks that almost every JavaScript code will do.

Ext JS provides a library of methods that allow you to do cross-browser DOM manipulation, allowing you to focus on adding business functionality, rather than having to build separate solutions for different browsers.

This chapter explores some ...

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