Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

JavaScript

function timeSince(timeStamp) {
    var now = new Date(),
        secondsPast = (now.getTime() - timeStamp.getTime() ) / 1000;
    if(secondsPast < 60){
        return parseInt(secondsPast) + 's';
    }
    if(secondsPast < 3600){
        return parseInt(secondsPast/60) + 'm';
    }
    if(secondsPast <= 86400){
        return parseInt(secondsPast/3600) + 'h';
    }
    if(secondsPast > 86400){
          day = timeStamp.getDate();
          month = timeStamp.toDateString().match(/ [a-zA-Z]*/)[0].replace(" ","");
          year = timeStamp.getFullYear() == now.getFullYear() ? "" :  " "+timeStamp.getFullYear();
          return day + " " + month + year;
    }
}

d = new Date(1000000000000);
console.log(timeSince(d))

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JSFiddle - React, Tailwind, and code Playground

JavaScript

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