| 1 | ;
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| 2 |
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| 3 | var alphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_';
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| 4 |
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| 5 | function generateId(length) {
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| 6 | if (!length) {
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| 7 | length = 8;
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| 8 | }
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| 9 | var res = '';
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| 10 | for (var i = 0; i < length; ++i) {
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| 11 | res += alphabet[Math.floor(Math.random() * alphabet.length)];
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| 12 | }
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| 13 | return res;
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| 14 | }
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| 15 |
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| 16 | module.exports = generateId;
|