Polyfill For map() Method In JavaScript | Interview Question

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This is easiest of writing polyfill for map!

Thanks for your efforts! ❤️

narayanareddy
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I have watched few videos on this topic, yours is easiest to understand. Thankyou brother.

asdfghjkl
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But what if in future updates of JAVASCRIPT, there is mymap method added in Array.prototype but perform some other function then whole code base will break so, making changes in parent class prototype is not good practice. correct me if I am wrong

manishbhardwaj
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