jQuery 添加变量

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时间:2020-08-27 10:13:00  来源:igfitidea点击:

jQuery adding variables

jquery

提问by Rahul Singh

I have used following code to add three variables but instead of adding these variables its concatenating these variables.

我使用以下代码添加三个变量,但不是添加这些变量,而是连接这些变量。

var registration_fee = $('input[type="radio"][name="registration_fee"]:checked').val();
var material_fee = $('input[type="radio"][name="material_fee"]:checked').val();
var tuition_fee = $('input[type="radio"][name="tuition_fee"]:checked').val();
// alert(tuition_fee)
var total_fee = registration_fee + material_fee + tuition_fee;
$('#total_fee').html(total_fee);

回答by leepowers

Cast them to numbers using parseIntor parseFloat:

使用parseInt或将它们转换为数字parseFloat

var total_fee = parseInt(registration_fee) + parseInt(material_fee) + parseInt(tuition_fee);

回答by Sudhir Bastakoti

Try:

尝试:


var total_fee = parseInt(registration_fee, 10) + parseInt(material_fee, 10) + parseInt(tuition_fee, 10);

Or parseFloat, whichever suits

或 parseFloat,以适合的为准

回答by riyas2806299

Try

尝试

Cast them to numbers using Number

使用Number将它们转换为数字

tal_fee = Number(registration_fee) + Number(material_fee) + Number(tuition_fee);

tal_fee = Number(registration_fee) + Number(material_fee) + Number(tuition_fee);

回答by xdazz

Use parseIntto turn the string to int, or parseFloatfor float.

使用parseInt打开字符串int或parseFloat浮法。

回答by subindas pm

Try to use parseInt(price) + parseInt(ticket_buyer_fee)for the variables it works

尝试使用parseInt(price) + parseInt(ticket_buyer_fee)它工作的变量