11 lines
238 B
Markdown
11 lines
238 B
Markdown
### Factorial
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Use recursion.
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If `n` is less than or equal to `1`, return `1`.
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Otherwise, return the product of `n` and the factorial of `n - 1`.
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```js
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const factorial = n => n <= 1 ? 1 : n * factorial(n - 1);
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// factorial(6) -> 720
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```
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