Remove duplicate items in an array
let myArray = ['a', 'b', 'a', 'b', 'c', 'e', 'e', 'c', 'd', 'd', 'd', 'd']
let myOrderedArray = myArray.reduce(function (accumulator, currentValue) {
if (accumulator.indexOf(currentValue) === -1) {
accumulator.push(currentValue)
}
return accumulator
}, [])
console.log(myOrderedArray)remove duplicates in array
uniq = [...new Set(array)];
or
uniqueArray = a.filter(function(item, pos) {
return a.indexOf(item) == pos;
})Remove Array Duplicate
const removeDuplicates = (arr) => [...new Set(arr)];
console.log(removeDuplicates([1, 2, 3, 3, 4, 4, 5, 5, 6]));
// Result: [ 1, 2, 3, 4, 5, 6 ]Copyright © 2021 Codeinu
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