8 lines
180 B
JavaScript
8 lines
180 B
JavaScript
module.exports = ([...arr], n = 1) => {
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let m = arr.length;
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while (m) {
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const i = Math.floor(Math.random() * m--);
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[arr[m], arr[i]] = [arr[i], arr[m]];
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}
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return arr.slice(0, n);
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}; |