Regioni

var data=[];
var region;
var key="region";
var storage=[];

function glavna(){
    region="europe";
    ocitaj(region);
    var interval=setInterval(function(){
        load();
    },1000);
    var interval=setInterval(function(){
        modal();
    },10000);
}

function ocitaj(){
    var request=new XMLHttpRequest();
    request.onreadystatechange=function(){
        if((request.readyState==4) && (request.status==200)){
            data=JSON.parse(request.responseText);
            save();
            popuniList();
        }else if(request.status!=200){
            document.body.style.backgroundColor="red";
        }
    }
    request.open("GET","https://restcountries.eu/rest/v2/region/"+region,true);
    request.send(null);
}

function popuniList(){
    document.body.style.backgroundColor="white";
    document.getElementById("region").innerHTML="Region: "+region;
    var lista=document.getElementById("lista");
    lista.innerHTML="";
    for(var i in data){
        if(data[i].population<5000000){
            var li=document.createElement("li");
            li.innerHTML="Naziv: "+data[i].name+"--- Broj stanovnika:"+data[i].population;
            lista.appendChild(li);
        }
    }
}

function modal(){
    var unos=prompt("Unesite region(Africa, Americas, Asia, Europe, Oceania)");
    if(unos=="Africa" || unos=="Americas" || unos=="Asia" || unos=="Europe" || unos=="Oceania"){
        region=unos;
        ocitaj();
    }
    else{
        document.body.style.backgroundColor="red";
    }
}


function save(){
    var broj=data.length;
    var object={
            brojRezultata:broj
    }
    storage.push(object);
    localStorage.setItem(key, JSON.stringify(storage));
}

function load(){
    var s=localStorage.getItem(key);
    if(s!=null){
        storage=JSON.parse(s);
        var ukupno=storage.length;
        var vrijeme=document.getElementById("vrijeme");
        var date=new Date();
        var h=date.getHours();
        var m=date.getMinutes();
        var s=date.getSeconds();
        vrijeme.innerHTML=h+":"+m+":"+s+" --- ukupan broj zahjteva: "+storage.length;
    }
}