What are wrapper objects for primitive values?

This blog post is first of a series:

What are wrapper objects for primitive values?
Why you shouldn’t change built-in prototypes [coming soon]
How do primitive values get their properties? [coming soon]

Each of the primitive types boolean, number, b…


This content originally appeared on 2ality – JavaScript and more and was authored by Dr. Axel Rauschmayer

This blog post is first of a series:

  1. What are wrapper objects for primitive values?
  2. Why you shouldn’t change built-in prototypes [coming soon]
  3. How do primitive values get their properties? [coming soon]

Each of the primitive types boolean, number, bigint, string and symbol has an associated wrapper class (Boolean, Number, BigInt, String, Symbol). In this blog post, we examine what these classes are good for.

[Read rest of post]


This content originally appeared on 2ality – JavaScript and more and was authored by Dr. Axel Rauschmayer


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