It includes a wait function that returns a promise to be waited, it is also possible to specify a cancelToken, to stop waiting.

wait.js

const wait = (milliSeconds) => {
    return new Promise((resolve) => setTimeout(() => resolve(), milliSeconds));
};

wait(200).then(() => {
    // your code 
});

// async/await context
await wait(200);
//your code


const wait = (milliSeconds, cancelToken) => {
    return new Promise((resolve, reject) => {
        setTimeout(() => resolve(), milliSeconds);
        cancelToken.then(() => reject())
    });
};