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Fix js prototype example

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It would also print myBoolean from prototype's prototype
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Konstantin L 2019-01-21 16:04:23 +03:00 committed by GitHub
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@ -510,6 +510,7 @@ for (var x in myObj){
// Hello world!
// 43
// [Function: myFunc]
// true
// To only consider properties attached to the object itself
// and not its prototypes, use the `hasOwnProperty()` check.