Javascript: Fibonacci

JavaScript fundamentals
Last update: 14 Sep 10:09
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Student

src/solution.js

Implement the fib() function and export it as default. The function calculates positive Fibonacci numbers. It takes an ordinal number (of a Fibonacci number) on input.

Formula:

f(0) = 0
f(1) = 1
f(n) = f(n-1) + f(n-2)
fib(3);  // 2
fib(5);  // 5
fib(10); // 55

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