Ungleich/app.js

const IPV4_EX = new RegExp("")
const regex = RegExp(/^((([0–9A-Fa-f]{1,4}:){7}[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){6}:[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){5}:([0–9A-Fa-f]{1,4}:)?[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){4}:([0–9A-Fa-f]{1,4}:){0,2}[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){3}:([0–9A-Fa-f]{1,4}:){0,3}[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){2}:([0–9A-Fa-f]{1,4}:){0,4}[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){6}((b((25[0–5])|(1d{2})|(2[0–4]d)|(d{1,2}))b).){3}(b((25[0–5])|(1d{2})|(2[0–4]d)|(d{1,2}))b))|(([0–9A-Fa-f]{1,4}:){0,5}:((b((25[0–5])|(1d{2})|(2[0–4]d)|(d{1,2}))b).){3}(b((25[0–5])|(1d{2})|(2[0–4]d)|(d{1,2}))b))|(::([0–9A-Fa-f]{1,4}:){0,5}((b((25[0–5])|(1d{2})|(2[0–4]d)|(d{1,2}))b).){3}(b((25[0–5])|(1d{2})|(2[0–4]d)|(d{1,2}))b))|([0–9A-Fa-f]{1,4}::([0–9A-Fa-f]{1,4}:){0,5}[0–9A-Fa-f]{1,4})|(::([0–9A-Fa-f]{1,4}:){0,6}[0–9A-Fa-f]{1,4})|(([0–9A-Fa-f]{1,4}:){1,7}:))$/)

var addresses = []
var date = []
var ipv4_v6 = []

function Ip4OrIp6(ipAddress){
    if(ipAddress.length == 39){
        ipv4_v6.push(1);
    }else{
        ipv4_v6.push(-1);
    } 
}


// Refactor getStudents and getScores to return  Promise for their response bodies
function getData(){
    return fetch(`address.json`, {
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json',
      }
    }).then((response) => response.json())
};

getData().then((data)=>{
    data.forEach(element => {
        date.push(element.date);
        Ip4OrIp6(element.ip);
    });
    
    console.log(date);
    console.log(ipv4_v6);
    
    date.sort((a, b)=>{
        return new Date(b) - new Date(a)
    })


    var ctx = document.getElementById("myChart").getContext('2d');
    var chart = new Chart(ctx, {
        type: 'bar',
        data: {
            labels:date ,
            datasets: [{
            label: "Statistics for IPV4 and IPV6",
            data:ipv4_v6,
            }
        ]
        },
        options: {
        legend: { display: false },
        title: {
            display: true,
            text: 'Statistics for IPV4 and IPV6'
        }
        }
    }) 
})
//Fetch call to get data from addresses json file
// async function retrieveIpAdresses(){
//     await fetch('./address.json').then(response => {
//         response.json();
//     }).then(data => {
//         data.forEach(element=>{
//             console.log(element)
//             date.push(element.date)
//         })
//     }).catch(err => {
//         err = err
//     });

// }