[ASK] help gan Calculate Multiple input field QTY, Price,Total,Grand (JQUERY)
function calculateSum(jml) { var total=0; for(var i=0;i<jml;++i){ total+=parseFloat($(".st_price").eq(i).val()); } $("#sum").html(total.toFixed(2)); } $(document).ready(function(){ $('.del').live('click',function(){ $(thi