Answers for "get unique array elements javascript"

39

javascript array unique values

var arr = [55, 44, 65,1,2,3,3,34,5];
var unique = [...new Set(arr)]

//just  var unique = new Set(arr) wont be an array
Posted by: Guest on July-03-2020
16

javascript find unique values in array

// usage example:
var myArray = ['a', 1, 'a', 2, '1'];
var unique = myArray.filter((v, i, a) => a.indexOf(v) === i); 

// unique is ['a', 1, 2, '1']
Posted by: Guest on February-28-2020
15

javascript get unique values from array

const myArray = [1,2,3,1,5,8,1,2,9,4];
const unique = [...new Set(myArray)]; // [1, 2, 3, 5, 8, 9, 4]

const myString = ["a","b","c","a","d","b"];
const uniqueString = [...new Set(myString)]; //["a", "b", "c", "d"]
Posted by: Guest on July-25-2020
0

unique elements in array javascript

var array3 = [1, 2, 4, 6, 1, 4, 9, 10, 2, 8];
function findUniqueElements_3(array) {

    for (let i = 0; i < array.length; i++) {
        for (let j = i + 1; j < array.length; j++) {
            if (array[i] == array[j]) {
                array.splice(j, 1)
            }

        }
    }
    console.log(`from third way : ${array}`);
}

findUniqueElements_3(array3)
Posted by: Guest on April-25-2021

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