JavaScript Guide
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
Overview: Loops and iteration
Functions
Expressions and operators
Numbers and strings
Representing dates & times
Overview: Representing dates & times
Regular expressions
Indexed collections
Overview: Indexed collections
Keyed collections
Overview: Keyed collections
Working with objects
Using classes
Promises
Overview: Promises
Typed arrays
Overview: Typed arrays
Iterators and generators
Overview: Iterators and generators
Internationalization
JavaScript modules
Advanced topics
After you have learned all fundamental features of JavaScript, you can explore some more niche features, or dive deeper into the language's mechanisms and concepts.