all done #29
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avtohem
reviewed
Nov 16, 2019
| // Use Array.prototype.reduce of for loop | ||
| }; | ||
| const ipToInt = (ip = '127.0.0.1') => ip.split('.').reduce( | ||
| (sum, elem, i, arr) => sum + (Number(elem) << 8 * (arr.length - 1 - i)) |
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Shifts a in binary representation b (< 32) bits to the left, shifting in 0s from the right.
Если массив будет больше 4 элементов, то не сработает.. хотя к IPv4 это не относится...
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