JavaScript & TypeScript

Prototype (JS)

/ˈprəʊtətaɪp/

Definition

The object from which another object inherits properties in JavaScript's prototype chain.

Example in context

"Array.prototype.map is defined on the prototype — every array instance inherits it automatically."

Practice this term

Master Prototype (JS) in context by working through exercises in the JavaScript & TypeScript module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.

Frequently Asked Questions

What does "Prototype (JS)" mean?

The object from which another object inherits properties in JavaScript's prototype chain.

How do you pronounce "Prototype (JS)"?

"Prototype (JS)" is pronounced /ˈprəʊtətaɪp/.

Can you use "Prototype (JS)" in a sentence?

"Array.prototype.map is defined on the prototype — every array instance inherits it automatically."