محاسبه‌گر خرید اقساطی طلا

(function(){
function calc(){var total=Number(document.getElementById(‘dvi-total’).value)||0,gold=Number(document.getElementById(‘dvi-gold’).value)||0,months=Number(document.getElementById(‘dvi-months’).value)||6,down=total*.30,remain=total-down,weight=gold?remain/gold:0,monthlyWeight=months?weight/months:0,fmt=new Intl.NumberFormat(‘fa-IR’);document.getElementById(‘dvi-down’).textContent=fmt.format(Math.round(down))+’ تومان’;document.getElementById(‘dvi-remain’).textContent=fmt.format(Math.round(remain))+’ تومان’;document.getElementById(‘dvi-weight’).textContent=weight.toLocaleString(‘fa-IR’,{minimumFractionDigits:4,maximumFractionDigits:4})+’ گرم’;document.getElementById(‘dvi-monthly-weight’).textContent=monthlyWeight.toLocaleString(‘fa-IR’,{minimumFractionDigits:4,maximumFractionDigits:4})+’ گرم’;document.getElementById(‘dvi-monthly-toman’).textContent=fmt.format(Math.round(monthlyWeight*gold))+’ تومان’}
[‘dvi-total’,’dvi-gold’,’dvi-months’].forEach(function(id){var el=document.getElementById(id);if(el){el.addEventListener(‘input’,calc);el.addEventListener(‘change’,calc)}});calc();
})();