showing results for - "duplicate an array in javascript n times"
Valery
30 Aug 2020
1const makeRepeated = (arr, repeats) =>
2  Array.from({ length: repeats }, () => arr).flat();
3  
4console.log(makeRepeated([1, 2, 3], 2));
Chiara
11 Feb 2020
1[1, 1, 2, 2, 3].filter((element, index, array) => array.indexOf(element) !== index) // [1, 2]
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