387958 (1) [Avatar] Offline
#1
I wasn’t about to give up on the question. So in the middle of the interview, I
opened up my browser’s JavaScript console, and started fiddling around with function
prototypes. In a few short minutes, I made the startling discovery that you could use
JavaScript’s delete operator on a modified native property, and the browser would
restore the original value

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I tried different versions of the browser , is a failure...
Who can help me explain this problem , thanks a lot!