JavaScript Basics combing - Data Types

JavaScript data type of public six kinds, ES6 has added a seventh value Symbol type.

• Value (number)
• String (string)
• Boolean values ​​(boolean)
• undefined
• null
• Object (object)

Primitive types: the basic data types, can not be subdivided

• Value (number)
• String (string)
• Boolean values ​​(boolean)

Basic data types:

• Value (number)
• String (string)
• Boolean values ​​(boolean)
• undefined
• null

Synthetic type:

• Object (object)

Object:

• Narrow object (object)
• Array (array)
• Function (function)

Symbol：

ES6 introduces a new type of raw data ` Symbol`, represents a unique value. May keep the name of each property is unique