Convert a Unix timestamp to time in JavaScript

Question

I am storing time in a MySQL database as a Unix timestamp and that gets sent to some JavaScript code. How would I get just the time out of it?

For example, in HH/MM/

Answer 1

Code below also provides 3-digit millisecs, ideal for console log prefixes:

const timeStrGet = date => {
    const milliSecsStr = date.getMilliseconds().toString().padStart(3, '0') ;
    return `${date.toLocaleTimeString('it-US')}.${milliSecsStr}`;
};

setInterval(() => console.log(timeStrGet(new Date())), 299);