function showTime(){
var date = new Date();
var h = date.getHours(); // 0 - 23
var m = date.getMinutes(); // 0 - 59
var s = date.getSeconds(); // 0 - 59

h = (h < 10) ? "0" + h : h;
m = (m < 10) ? "0" + m : m;
s = (s < 10) ? "0" + s : s;

var time = `${h}:${m}:${s}`;
document.getElementById("MyClockDisplay").innerText = time;
document.getElementById("MyClockDisplay").textContent = time;

setTimeout(showTime, 1000);

}

showTime();

function showTime(){
let date = new Date();
let h = date.getHours(); // 0 - 23
let m = date.getMinutes(); // 0 - 59
let s = date.getSeconds(); // 0 - 59

let time = `${h < 10 ? `0${h}` : h}:${m < 10 ? `0${m}` : m}:${s < 10 ? `0${s}` : s}`;
document.getElementById("MyClockDisplay").innerText = time;
document.getElementById("MyClockDisplay").textContent = time;

setTimeout(showTime, 1000);
}

showTime();