Javascript Variables and Scope
Prerequisites
This is a basics lecture on Javascript. An understanding of the Document Object Model to allow you to manipulate objects with Javascript is important but not necessary to understand this video Lecture – The Document Object Model You will need to understand the basics of creating a web page and html before this video CET 4583 Lecture – XHTML Lecture 1
Summary
This video covers the basics of declaring and scoping variables using Javascript. Fundamentals like the concept of scope are covered. Also the ability to create and call functions is covered in some detail.
Topics covered:
1. Variables
2. Scope rules
3. Document Object Model
4. Function Calls
Video
Reference Materials
http://jsfiddle.net/reaglin/nM9rN/ – JSFiddle with code used in video.