A.1. Overview of Basic Information on JavaScript

Effective programming with jQuery requires knowledge of the syntax and concepts of JavaScript. This appendix provides a brief introduction to the most important JavaScript techniques so that you can understand how jQuery works and how to use its methods. For a fuller understanding of JavaScript, you should seek additional JavaScript resources.

A.1.1. Case Sensitivity

JavaScript distinguishes between uppercase and lowercase for variables, keywords, function identifiers, and method identifiers.

A.1.2. Variables, Literals, and Data Types

Of course, JavaScript has variables, data types, and literals. However, some particularities in JavaScript differ from most “true” programming languages. ...

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