javascript check if array has duplicates
function hasDuplicates(array) {
return (new Set(array)).size !== array.length;
}javascript check if array has duplicates
function hasDuplicates(array) {
return (new Set(array)).size !== array.length;
}javascript create array with repeated values
Array(5).fill(2)
//=> [2, 2, 2, 2, 2]Copyright © 2021 Codeinu
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