JSFiddle - React, Tailwind, and code Playground

by nikolya223

JavaScript

var arr = [144448208, 27677788, 783779, 144448208,144448208,783779,44,666,77];
var arrHash = {};
var arrNew =[]


for (var i = 0; i < arr.length; i++) {
    if (arr[i] in arrHash){ arrHash[i]=1} else{ 
        arrHash[arr[i]] = 1;
        arrNew.push(arr[i]);
        }
}

alert(arrNew);