JSFiddle - React, Tailwind, and code Playground

by redeyes2015

JavaScript

var count = 0,
    sum = 0,
    tester = function(){
        var now = new Date().getTime();
        sum += (now - last);
        count ++;
        if(count > 10){
            document.write('' + (sum / count));
            return;
        }
        last = now;
        setTimeout(tester, 0);
    },
    last = new Date().getTime();

setTimeout(tester, 0)