Created
October 26, 2016 13:54
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| /* | |
| * Factorial | |
| * n! = 1 * 2 * .. * n | |
| * | |
| * 5! = 5 * 4 * 3 * 2 * 1 = 120 | |
| */ | |
| // MATHS: | |
| // 0! = 1 | |
| // n! = n * (n - 1)! | |
| function fac(n) { | |
| if (n <= 1) { | |
| return 1; | |
| } else { | |
| return n * fac(n - 1); | |
| } | |
| } | |
| /* TEST */ | |
| fac(5); |
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