javascript-constructors Flashcards

1
Q

What does the new operator do?

A

the new operator creates an instance of a user-defined object type or of one of the built-in object types that has a constructor function.

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2
Q

What property of JavaScript functions can store shared behavior for instances created with new?

A

prototype property. (syntax: Function.prototype.some property = value).

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3
Q

What does the instanceof operator do?

A

the instanceof operator tests if the prototype property of the constructor appears in the prototype chain of an object.

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