remove duplicates from array javascript
function onlyUnique(value, index, self) {
return self.indexOf(value) === index;
}
// usage example:
var a = ['a', 1, 'a', 2, '1'];
var unique = a.filter(onlyUnique);
console.log(unique); // ['a', 1, 2, '1']javascript filter array remove duplicates
// Using the Set constructor and the spread syntax:
arrayWithOnlyUniques = [...new Set(arrayWithDuplicates)]Copyright © 2021 Codeinu
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