Guys, how to increases quantity(eg. If i click one goods in 4 time then quantity also show me 4) and how to get total in jquery

Question

function cal()
{
var prodname= sal_pro.prod_id;
var sellprice= sal_pro.s_price;
var quant=docyment.getElementById(prodname).value;
console.log("quantity after change",quant.value);
console.log("prod name",prodname);
document.getElementById("total"+prodname).innerHTML= quant;
}

Answer 1

You only need to get variable por counter and of course increase by 1