const bringToTop = (arr, index) => [arr[index], ...arr.filter((_, i) => i !== index)];bringToTop(['A', 'B', 'C', 'D'], 2); // ['C', 'A', 'B', 'D']
const bringToTop = (arr, index) => [arr[index], ...arr.filter((_, i) => i !== index)];bringToTop(['A', 'B', 'C', 'D'], 2); // ['C', 'A', 'B', 'D']
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