JSFiddle - React, Tailwind, and code Playground
JavaScript
const test = [1,2,2,3,3,5,6,5,4,4,2]
console.log(test.filter((item, index) => test.indexOf(item) === index))
const test = [1,2,2,3,3,5,6,5,4,4,2]
console.log(test.filter((item, index) => test.indexOf(item) === index))