date-manip / daysInMonth
daysInMonth
函数
default()
default(
date):number
Gets the number of days in the month for a given date. 获取给定日期所在月份的天数。
参数
date
Date
The date to get the number of days in the month for. (要获取月份天数的日期。)
返回
number
The number of days in the month. (月份的天数。)
示例
ts
// Getting the number of days in October 2023 (获取2023年10月的天数)
const date = new Date('2023-10-01');
const days = daysInMonth(date);
console.log(days); // Outputs: 31 (输出: 31)
// Getting the number of days in February 2024 (获取2024年2月的天数)
const date2 = new Date('2024-02-01');
const days2 = daysInMonth(date2);
console.log(days2); // Outputs: 29 (输出: 29)