JSFiddle - React, Tailwind, and code Playground

by KarmaProd

HTML

<div id="out">

</div>

JavaScript

function onlyUnique(value, index, self) { 
    // source: https://stackoverflow.com/questions/1960473/get-all-unique-values-in-a-javascript-array-remove-duplicates
    // Usage example:
    // var a = ['a', 1, 'a', 2, '1'];
    // var unique = a.filter(onlyUnique); // returns ['a', 1, 2, '1']
    return self.indexOf(value) === index;
  }
  
  function array_unique(arr){

	return arr.filter(onlyUnique);
}

myarr = [0, 2, 1, 2, 5, 4, 2];
myarr2 = array_unique(myarr);
unique = myarr.filter(onlyUnique)

$('#out').html(unique);