Run ยป
<!Doctype html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> </head> <body> <table> <tr> <td><input type="number" class="product-buying-price"></td> <td><input type="number" class="product-selling-price"></td> <td class="net-profit"></td> </tr> </table> <script> $('.product-buying-price, .product-selling-price').on('blur', function(e) { var row = $(this).closest('tr'); var buying_pr = $('.product-buying-price', row), selling_pr = $('.product-selling-price', row), net_profit = $('.net-profit', row); buy_pr = parseFloat(buying_pr.val()); sell_pr = parseFloat(selling_pr.val()); if (!isNaN(buy_pr) && !isNaN(sell_pr)) { net_profit.text((sell_pr - buy_pr).toFixed(2)); } }); </script> </body> </html>