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Shuffle an array

Written byPhuoc Nguyen
Created
20 May, 2020
Last updated
22 Dec, 2021
Category
Array
Contributors
elkarouani
JavaScript version
shuffle.js
const shuffle = (arr) =>
arr
.map((a) => ({ sort: Math.random(), value: a }))
.sort((a, b) => a.sort - b.sort)
.map((a) => a.value);
TypeScript version
shuffle.ts
const shuffle = <T,_>(arr: T[]): T[] =>
arr
.map((a) => ({ sort: Math.random(), value: a }))
.sort((a, b) => a.sort - b.sort)
.map((a) => a.value);
Example
example.js
shuffle([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); // [9, 1, 10, 6, 8, 5, 2, 3, 7, 4]
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Phước Nguyễn