JavaScript Pocket Reference; The JavaScript Language; Syntax; Case sensitivity; Whitespace; Semicolons; Comments; Identifiers; Keywords; Variables; Data Types; Numbers; Booleans; Strings; Objects; Arrays; Functions and methods; null and undefined; Expressions and Operators; Statements; Expression statements; Compound statements; Empty statements; Labeled statements; Alphabetical statement reference; Object-Oriented JavaScript; Regular Expressions; Literal characters; Character classes; Repetition; Grouping and alternation; Anchoring match position; Versions of JavaScript.
Summary:
JavaScript--the powerful, object-based scripting language that can be embedded directly into HTML pages--has earned its place in the web developer's toolkit, to the extent that it's now considered required knowledge for web developers. You can use JavaScript to create dynamic, interactive applications that run completely within a web browser. JavaScript is also the language of choice for developing Dynamic HTML content. Because its syntax is based on the popular programming languages C, C++, and Java, JavaScript is familiar and easy to learn for experienced programmers. At the same time, it.
