Can you explain the prototype chain?
Sure! In JavaScript, the prototype chain is a mechanism that allows objects to inherit properties and methods from other objects.
How does the prototype chain work in practice?
When you create an object, it has a hidden internal property called [[Prototype]] that points to another object. This allows it to access properties and methods from that object.
Can you give me an example of the prototype chain?
Absolutely! For instance, if you have a Person
object and a Student
object that inherits from Person
, the Student
can access properties of Person
through the prototype chain.
What happens if a property is not found in the object?
If a property is not found in the object itself, JavaScript will look up the prototype chain until it finds the property or reaches the end of the chain.
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