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JavaScript
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==== Object composition and inheritance ==== Whereas explicit function-based delegation does cover [[Object composition|composition]] in JavaScript, implicit delegation already happens every time the prototype chain is walked in order to, e.g., find a method that might be related to but is not directly owned by an object. Once the method is found it gets called within this object's context. Thus [[Inheritance (object-oriented programming)|inheritance]] in JavaScript is covered by a delegation automatism that is bound to the prototype property of constructor functions.
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