12 lines
418 B
TypeScript
12 lines
418 B
TypeScript
export const shuffleArray = <T>(array: T[]): T[] => {
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// See: https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
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for (let i = array.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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return array;
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};
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export const average = (array: number[]) =>
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array.reduce((a, b) => a + b, 0) / array.length;
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