Carvana total payments calculator

var anchor = document.getElementsByClassName("vdp-build-my-deal-gauges")[0].nextElementSibling; anchor.innerHTML = 'DOWN + TERM = <div id="totalCost" style="display:inline;color:#00aed9;font-size:20px;font-weight:700;"></div><br/>' + anchor.innerHTML; setInterval(function(){ var valdwn=document.getElementsByClassName("vdp-build-my-deal-down-amount")[0].innerHTML; var valamt=document.getElementsByClassName("vdp-build-my-deal-payment-amount")[0].innerHTML; var valtrm=document.getElementsByClassName("vdp-build-my-deal-term-amount")[0].innerHTML; var valtot= +(valdwn.replace("$","").replace(",","")) + +((valamt.replace("$",""))*(valtrm));document.getElementById("totalCost").innerHTML="$"+valtot.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","); }, 1000);