javascript 使用jQuery从单选按钮获取数据属性

Get data attribute from radio button with jQuery

提问by Mateusz Urbański

I have the following html convertd to haml:

我将以下 html 转换为 haml：

%input#insurance_isp_payment{ checked: "checked", type: "radio", name: "insurance_isp_payment", price: 27.22, value: "single"}
27,22 

And now I want to get this price value from radio button which is checked. I tried something like that:

现在我想从选中的单选按钮中获取这个价格值。我试过这样的事情：

$('input[name=insurance_isp_payment]:checked').data("price")

But this not work. How can I solve this problem?

但这行不通。我怎么解决这个问题？

回答by Bhushan Kawadkar

Try this : instead of data()use attr()to get the price value.

试试这个：而不是data()使用attr()得到的价格值。

var price = $('input[name="insurance_isp_payment"]:checked').attr("price");
alert(price);