JSFiddle - React, Tailwind, and code Playground

HTML

<p class="points">5472364007515806092890840962213361933646557867359955457554369346343376220574263169290566361924999277451198802156950364045812455566817070274944448633167362192918054601383</p>

JavaScript

function numberWithCommas(x) {
    return x.toString().replace(/\B(?=(?:\d{3})+(?!\d))/g, ",");
}


    $('.points').each(function(){
    var v_pound = $(this).html();
    v_pound = numberWithCommas(v_pound);

    $(this).html(v_pound)
        
        })