JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>
<div></div>

JavaScript

var arr = ['foo', 'bar', 'bar'];

$.each(arr, function(i, value){
    $('div').eq(0).append(value + ' ');
});

$.each(unique(arr), function(i, value){
    $('div').eq(1).append(value  + ' ');
});

function unique(array){
    return $.grep(array,function(el,index){
        return index == $.inArray(el,array);
    });
}