function pollDOM () {
const el = document.querySelector('my-element');
if (el.length) {
// Do something with el
} else {
setTimeout(pollDOM, 300); // try again in 300 milliseconds
}
}
pollDOM();const poll = async function (fn, fnCondition, ms) {
let result = await fn();
while (fnCondition(result)) {
await wait(ms);
result = await fn();
}
return result;
};
const wait = function (ms = 1000) {
return new Promise(resolve => {
setTimeout(resolve, ms);
});
};
let fetchReport = () => axios.get(reportUrl);
let validate = result => !result.data.summary;
let response = await poll(fetchReport, validate, 3000);