Скачать или смотреть javascript #1 primitives vs objects

JavaScript has many types of values (like numbers, strings, arrays etc.) that we see in any other programming language.

Which can be Primitive Values (Primitives) Or Objects
-------------------------------------------------------------------------------------
Primitive values include

Number type – 1 , 2.03, -8.09
Boolean type – true, false
String type – ‘abc’, “xyz”
Special type – null, undefined

-------------------------------------------------------------------------------------

Objects include

Literals / Plain objects – { name: ‘Sudhir’, country: ‘India’ }
Arrays– [‘JavaScript’, ‘C’, ‘C++’, ‘Java’]
Regex - [^A-Za-z0-9]

----------------------------------------------------------------------------------------
Primitives Vs Objects

There are mainly 2 differences :
Comparison
Primitives always compared by value whereas objects are always compared by reference
Mutability
Objects are mutable whereas primitives are immutable.