javascript create array with repeated values
Array(5).fill(2)
//=> [2, 2, 2, 2, 2]javascript create array with repeated values
Array(5).fill(2)
//=> [2, 2, 2, 2, 2]Find duplicate or repeat elements in js array
function findUniq(arr) {
return arr.find(n => arr.indexOf(n) === arr.lastIndexOf(n));
}
console.log(findUniq([ 0, 1, 0 ]))
console.log(findUniq([ 1, 1, 1, 2, 1, 1 ]))
console.log(findUniq([ 3, 10, 3, 3, 3 ]))
console.log(findUniq([ 7, 7, 7, 20, 7, 7, 7 ]))Copyright © 2021 Codeinu
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