js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'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']remove duplicates in array
uniq = [...new Set(array)];
or
uniqueArray = a.filter(function(item, pos) {
return a.indexOf(item) == pos;
})prevent duplicate entries in javascript array
if (array.indexOf(value) === -1) array.push(value);array remove duplicates javascript
uniq = [...new Set(array)];remove duplicates from array
// Use to remove duplicate elements from the array
const numbers = [2,3,4,4,2,3,3,4,4,5,5,6,6,7,5,32,3,4,5]
console.log([...new Set(numbers)])
// [2, 3, 4, 5, 6, 7, 32]Copyright © 2021 Codeinu
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