JavaScript Prototype Chain
/ˈdʒɑːvəskrɪpt ˈprəʊtətaɪp tʃeɪn/
Definition
The linked chain of objects from which a JavaScript object inherits properties and methods.
Example in context
"myArray.map() works because Array.prototype.map exists — the engine follows the prototype chain to find it."
Related terms
Practice this term
Master JavaScript Prototype Chain 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.