Small Javascript Number Counter for Website's

index.js

const speed = 10; //Number from 1-? to set the counting speed
const counter = document.querySelector('.js_numberGen'); //query the div or span which shall count
counter.innerHTML += "1";

const updateCount = () => {
    const target = parseInt(counter.getAttribute('data-target')); //Set the value to which it should count
    const count = parseInt(counter.innerText);
    const increment = Math.floor(Math.random() * 10);

    if (count < target) {
        counter.innerText = count + increment;
        setTimeout(updateCount, speed);
    } else {
        counter.innerText = target;
    }
};

updateCount();