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14 lines
372 B
14 lines
372 B
4 years ago
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module.exports = function cmp (a, b) {
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var pa = a.split('.');
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var pb = b.split('.');
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for (var i = 0; i < 3; i++) {
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var na = Number(pa[i]);
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var nb = Number(pb[i]);
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if (na > nb) return 1;
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if (nb > na) return -1;
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if (!isNaN(na) && isNaN(nb)) return 1;
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if (isNaN(na) && !isNaN(nb)) return -1;
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}
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return 0;
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};
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