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February 5, 2017 01:39
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isPrototypeOf2 function 🐾
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| function isPrototypeOf(prototype, object){ | |
| if (prototype === null || undefined){ | |
| return 'null or undefined'; | |
| } | |
| var objectPrototype = Object.getPrototypeOf(object); | |
| while(objectPrototype){ | |
| if(prototype === objectPrototype){ | |
| return true; | |
| } | |
| objectPrototype = Object.getPrototypeOf(objectPrototype); | |
| } | |
| return false; | |
| } |
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