A mutable object
Mutable is a type of variable that can be changed.
In JavaScript, only Objects and Arrays(technically a type of object) are
mutable, not primitive(immutable) values.
Immutables are the objects whose state cannot be changed once the object is
created. Boolean, Null, Undefined, Number, String, and Symbols are immutable.meaning immutable and mutable
A mutable object can be changed after it's created, and an immutable object can't.Copyright © 2021 Codeinu
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