1. Modern JavaScript Develop And Design Instructor’s Notes Chapter 1 - (Re) Introducing JavaScript Modern JavaScript Design And Develop Copyright © 2012 by Larry Ullman

2. Objectives Confidently know what JavaScript is and isn’t Learn JavaScript’s key attributes as a programming language Review JavaScript’s history, both in terms of its formal development and its common usage Be able to compare and contrast JavaScript against other technologies and languages Know what it means to say a technology or language is “client-side” vs. “server-side”

3. Objectives Understand how JavaScript fits into the Web development process Know the main development approaches for programming with JavaScript Be introduced to some popular JavaScript frameworks Familiarize themselves with the common Web browsers of today Be aware of what it means to be a “modern browser”

4. JavaScript is… Object-Oriented Weakly typed Scripting language Based upon ECMAScript

5. Benefits Can improve performance Can fix browser deficiencies Can be used in mobile devices Is entirely reliable, when done right! Pushes some processing load onto the client Able to enhance the user experience!

6. Key Developments Adoption of faster Internet access Ajax Better browsers Rise of frameworks

7. Ajax

8. Common Browsers

9. Common Frameworks jQuery MooTools Script.aculo.us YUI (Yahoo! User Interface library) ExtJS The Dojo Toolkit Prototype

10. Client vs. Server Client Side (Browser) HTML CSS JavaScript Flash Server Side PHP CGI scripts Database application Some JavaScript

11. Development Approaches Progressive Enhancement Unobtrusive JavaScript