What is the JavaScript prototype chain?
An example of an AI chatbot conversation about the JavaScript prototype chain.
What is the JavaScript prototype chain?
The JavaScript prototype chain is a mechanism for inheritance in JavaScript, allowing objects to share properties and methods.
How does the prototype chain work in practice?
When you create an object, it has a prototype that can be accessed via the __proto__ property. If a property isn't found on the object, JavaScript looks up the prototype chain.
Can you give me an example of the prototype chain?
Sure! If you have an object dog that inherits from animal, and animal has a method bark, dog can call bark even if it doesn't have that method defined.
What are some common pitfalls when using the prototype chain?
Common pitfalls include modifying the prototype of built-in objects, which can lead to unexpected behavior, and not understanding how property lookup works.
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