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Jagathishrex/find_duplicate.js

Created January 5, 2021 15:42
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find_duplicate.js
function hasDuplicates(array) {
let uniqueValues = new Set(array); // set --> contains only unique values
return uniqueValues.size !== array.length;
}
hasDupicates([1,2,3]); // false
hasDupicates([1,2,3,1]); // true
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