Javascript如何将数字的输出更改为带有2位小数的美国货币

Question

我想将数字的输出更改为保留 2 位小数的美元； JavaScript 部分如下所示:

var leagueDues = 5.00;
var CourseFees = 14.50;

var totalLeagueDues = leagueDues * 16;
var totalCourseFees = CourseFees * 16;

var totalDues = totalCourseFees + totalLeagueDues;

document.getElementById('league').value = totalLeagueDues;
document.getElementById('fee').value = totalCourseFees;
document.getElementById('total').value = totalDues;

有什么想法吗？

Answer 1

您可以使用 toFixed(2) 函数将数字固定为小数点后 2 位。

看起来像:

var leagueDues = 5.00; 
var CourseFees = 14.50; 
var totalLeagueDues = leagueDues * 16; 
var totalCourseFees = CourseFees * 16; 
var totalDues = totalCourseFees + totalLeagueDues; 

document.getElementById('league').value = totalLeagueDues.toFixed(2); 
document.getElementById('fee').value = totalCourseFees.toFixed(2); 
document.getElementById('total').value = totalDues.toFixed(2);