This document provides an introduction and overview of key JavaScript concepts including data types, variables, objects, functions, and arrays. It discusses JavaScript's case sensitivity, optional semicolons, and comment syntax. It also covers numeric, string, boolean, and null/undefined data types as well as objects, functions, and arrays. Special values, operators, and methods are defined for working with each data type.

1. JavaScript Introduction Aaron Conran Text: JavaScript The Definitive Guide By David Flannagan

9. Special Numeric Values (Table 3-1) p25 Special value to represent negative infinity Number.NEGATIVE_INFINITY Special value to represent infinity Number.POSTIVE_INFINITY Special not a number value Number.NaN Smallest (closest to zero) representable number Number.MIN_VALUE Largest representable number Number.MAX_VALUE Special not-a-number value NaN Special value to represent infinity Infinity Meaning Constant

12. Escape Sequences (Table 3-2) p27 The Latin-1 character specified by the octal digits XXX, between 1 and 377. Not support by ECMAScript v3; do not use this escpae sequence. XX The Unicode character specified by the four hexadecimal digits XXXX XXXX The Latin-1 character specified by the two hexadecimal digits XX XX Backslash (005C) Apostrophe or single quote (u027) Double quote (u022) Carriage return (u00D) Form feed (000C) Vertical tab (000B) Newline (000A) Horizontal tab (0009) Backspace (0008) The NUL character (0000) Character represented Sequence