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14 lines
286 B
14 lines
286 B
3 years ago
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/**
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* @description: 获取指定位数的随机数
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* @param {number} num
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* @return {string}
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* @example getRandom(4) // 0626
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*/
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export default function getRandom(num) {
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let str = '';
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for (let i = 0; i < num; i++) {
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str += Math.floor(Math.random() * 10);
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}
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return str;
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}
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