JavaScript Classes

A JavaScript class is a template or blueprint that serves as the basis for new objects. Codes, methods, attributes, and other information that make up an object are organized into classes. When you use an object in your program, you actually create an instance of the class of the object.

Array	Creates new array objects.
Boolean	Creates new Boolean objects.
Date	Retrieves and manipulates dates and times.
Error	Returns runtime error information.
Function	Creates new function objects.
Global	Stores global variables and contains various built-in JavaScript functions.
Math	Contains methods and properties for manipulating numbers.
Number	Contains methods and properties for manipulating numbers.
Object	Represents the base class for all built-in JavaScript classes; contains several of the built-in JavaScript functions.
RegExp	Contains methods and properties for finding and replacing characters in text strings.
String	Contains methods and properties for manipulating text strings.