JavaScript

General Characteristics

Javascript was not based on Java in any way. It is a completely separate/dissimilar programming language. It was created by Netscape (not Sun).
Javascript is an event-driven scripting language. It is referenced in html and always run on the client side (by the client's browser).
Javascript is used primarily to manipulate the html page that is displayed in the browser. This is done through manipulating a standard set of global objects available w/in Javascript.
- The Window object is the 1 global object available w/in Javascript. The Window object is composed of a number of useful objects that can be accessed by Javascript.
- The Document object is the most important child object of the Window object; It represents a tree structure that describes the document being displayed in the browser.
Events include: onclick, onmouseover, onmouseout, onfocus, onblur, onload, onunload