console.log('index start...');

let count = 0;
const countMax = 2;
const intervalSeconds = 3;

function delay(ms) {
  return new Promise(resolve => setTimeout(resolve, ms))
}

async function loop() {

    while (count < countMax) {
	console.log('index:setInterval start...');
	const res = await fetch('https://v2.jokeapi.dev/joke/Programming?type=single');
	const json = await res.json();
	console.log('index:setInterval joke: ' + json.joke);
	count++;
	console.log('index:setInterval done.');
	await delay(intervalSeconds * 1000)
    }
};

loop();

console.log('index done.');