Created
June 18, 2019 07:12
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| function luhn(value) { | |
| return value.split('').reduce(function (s, d, i) { | |
| var n = (!(i & 1) + 1) * d; | |
| if (n > 9) n -= 9; | |
| return s + n; | |
| }, 0) % 10 === 0; | |
| } | |
| console.log(luhn('1234567890123452')); |
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