JavaScript Guide - JavaScript | MDN (original) (raw)

The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a look at the JavaScript reference.

This Guide is divided into the following chapters.

Introduction

Grammar and types

Control flow and error handling

Loops and iteration

Functions

Expressions and operators

Numbers and strings

Representing dates & times

Regular expressions

Overview: Regular expressions

• Creating a regular expression
• Writing a regular expression pattern
  • Assertions
  • Character classes
  • Groups and backreferences
  • Quantifiers

Indexed collections

Keyed collections

Working with objects

Using classes

Promises

Typed arrays

Iterators and generators

Internationalization

Meta programming

JavaScript modules