16 lines
474 B
Markdown
16 lines
474 B
Markdown
### fibonacci
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Generates an array, containing the Fibonacci sequence, up until the nth term.
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Create an empty array of the specific length, initializing the first two values (`0` and `1`).
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Use `Array.reduce()` to add values into the array, using the sum of the last two values, except for the first two.
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```js
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const fibonacci = n =>
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Array.from({ length: n}).reduce((acc, val, i) => acc.concat(i > 1 ? acc[i - 1] + acc[i - 2] : i), []);
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```
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```js
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factorial(6) // 720
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```
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