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Other 2022-02-18 13:30:04
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. ... Add solution -
Other 2021-11-05 16:56:21
primitive (immutable) data types:
JavaScript recognizes six primitive (immutable) data types: Boolean, Null, Undefined, Number, String, and Symbol (new with ES6) and one type for mutable items: Object. Note that in JavaScript, arrays are technically a type of object. Add solution
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