Answers for "javascript array distinct values"

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
3

javascript get unique values from key

const unique = [...new Set(array.map(item => item.age))];
Posted by: Guest on June-05-2020
2

javascript get distinct values from array

const categories = ['General', 'Exotic', 'Extreme', 'Extreme', 'General' ,'Water', 'Extreme']
.filter((value, index, categoryArray) => categoryArray.indexOf(value) === index);

This will return an array that has the unique category names
['General', 'Exotic', 'Extreme', 'Water']
Posted by: Guest on April-03-2020
1

js get distinct values from array

var myArray = ['a', 1, 'a', 2, '1'];

let unique = [...new Set(myArray)];

console.log(unique); // unique is ['a', 1, 2, '1']
Posted by: Guest on August-09-2021

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