JSFiddle - React, Tailwind, and code Playground

by Gereltod Gotsbayar

HTML

<span id="number1"></span>
<span id="number2"></span>

CSS

span {
    display: inline-block;
    width: 80px;
    margin: 15px;
    padding: 5px;
    border: 1px solid #ddd;
    text-align: right;
}

JavaScript

var count_up_val1 = 0;
var count_up_val2 = 0;

function count_up1() {
    count_up_val1 ++;
    $('#number1').html(count_up_val1 );
    setTimeout(count_up1, 1000);
}

function count_up2() {
    count_up_val2 ++;
    $('#number2').html(count_up_val2 );
    setTimeout(count_up2, 100);
}

function thread_start(callback) {
    setTimeout(callback, 1);
    return true;
}

$(function(){
    thread_start(count_up1);
    thread_start(count_up2);
})