Exercise on Proxies

Using your knowledge of proxies object, you must use them to: i) log the number of times a function is accessed ii) create a revocable discount object

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Exercise 1:

Suppose the following fibonacci implementation is given:

fibonacci = n => 
    n <= 1 ? n : 
    fibonacci( n - 1 ) + fibonacci( n - 2 );

Determine how many times the fibonacci function is called when evaluating fibonacci( 12 ).

Determine how many times fibonacci is called with the argument 2 when evaluating fibonacci( 12 ).

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