Jquery 获取select 自定义标签数据

Jquery 获取select 自定义标签数据

html

<select id="methodSelect" name="method"> [#list orderPayments as orderPayment] <option value="${orderPayment.paymentMethod}" data-amount="${orderPayment.amount}">${orderPayment.paymentMethod}<\/option> <option value="${orderPayment.paymentMethod}" data-amount="${orderPayment.amount}">${orderPayment.paymentMethod}<\/option> <option value="${orderPayment.paymentMethod}" data-amount="${orderPayment.amount}">${orderPayment.paymentMethod}<\/option> [/#list] <\/select>

js

$("body").on("change", "#methodSelect", function () { alert($(this).find("option:selected").data("amount")); })