JSFiddle - React, Tailwind, and code Playground

by ksingh24

JavaScript

Array.prototype.unique = function () {
    var r = new Array();
    o:for(var i = 0, n = this.length; i < n; i++)
    {
        for(var x = 0, y = r.length; x < y; x++)
        {
            if(r[x]==this[i])
            {
                return false;
                break;
            }
        }
        r[r.length] = this[i];
    }
    return r;
}

var arr = [1,2,3,3,4,5];
var unique = arr.unique();
alert(unique);