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Fix js prototype example
It would also print myBoolean from prototype's prototype
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@ -510,6 +510,7 @@ for (var x in myObj){
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// Hello world!
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// Hello world!
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// 43
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// 43
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// [Function: myFunc]
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// [Function: myFunc]
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// true
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// To only consider properties attached to the object itself
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// To only consider properties attached to the object itself
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// and not its prototypes, use the `hasOwnProperty()` check.
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// and not its prototypes, use the `hasOwnProperty()` check.
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