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Mau Di Bert 2019-07-03 07:03:33 -03:00 • committed by GitHub
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@ -46,7 +46,7 @@ alert( arr instanceof Object ); // true
Please note that `arr` also belongs to the `Object` class. That's because `Array` prototypally inherits from `Object`. Please note that `arr` also belongs to the `Object` class. That's because `Array` prototypally inherits from `Object`.
The `instanceof` operator examines the prototype chain for the check, but we can set a custom logic the static method `Symbol.hasInstance`. The `instanceof` operator examines the prototype chain for the check, but we can set a custom logic in the static method `Symbol.hasInstance`.
The algorithm of `obj instanceof Class` works roughly as follows: The algorithm of `obj instanceof Class` works roughly as follows: