index.js

let tbl = document.getElementById('tbl');

fetch("./data.json").then(res => {
    res.json().then(res2 => {
        for (let i in res2) {
            let row = tbl.insertRow(i);
            let cell1 = row.insertCell(0);
            let cell2 = row.insertCell(1);
            let cell3 = row.insertCell(2);
            let cell4 = row.insertCell(3);
            let cell5 = row.insertCell(4);
            let cell6 = row.insertCell(5);
            let cell7 = row.insertCell(6);
            cell1.innerHTML = res2[i].name;
            cell2.innerHTML = res2[i].Ethash.rate + "<br>" + res2[i].Ethash.power_con;
            cell3.innerHTML = res2[i].Etchash.rate + "<br>" + res2[i].Etchash.power_con;
            cell4.innerHTML = res2[i].MTP.rate + "<br>" + res2[i].MTP.power_con;
            cell5.innerHTML = res2[i].ProgPow.rate + "<br>" + res2[i].ProgPow.power_con;
            cell6.innerHTML = res2[i].BeamHash3.rate + "<br>" + res2[i].BeamHash3.power_con;
            cell7.innerHTML = res2[i].Zhash.rate + "<br>" + res2[i].Zhash.power_con;
        }
    })
});