JSFiddle - React, Tailwind, and code Playground

HTML

<p class="number_vp">56</p>
<p class="number_vp">2</p>

JavaScript

var max=999;
changeNumbers();

setInterval(function(){
    changeNumbers();    
}, 2000);

function changeNumbers(){
    $('.number_vp').each(function(){
        var randomnumber=Math.floor(Math.random()*max);
        $(this).html(randomnumber);
    });
}