Javascript 日期对象关闭一个月

发布于 2025-01-10 20:56:48 字数 583 浏览 0 评论 0原文

我知道 javascript 从 0 开始计算月份。但是，我不知道在将来获取日期时如何考虑这一点。

例如，当尝试获取明天的日期时，以下代码将返回除月份之外的所有正确内容（打印为下个月）：

const weekday = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
const month =  ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];

var today = new Date();
today.setUTCDate(today.getUTCDate()+1);

let newDate = weekday[today.getDay()] +' '+today.getDate()+' '+month[today.getDay()]+', '+ today.getFullYear();

console.log(newDate)

原文

I understand that javascript counts the months starting from 0. However, I don't know how to account for this when getting a date in the future.

For example, when attempting to get the date for tomorrow, the following code returns everything correct except for the month (prints as next month):

const weekday = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
const month =  ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];

var today = new Date();
today.setUTCDate(today.getUTCDate()+1);

let newDate = weekday[today.getDay()] +' '+today.getDate()+' '+month[today.getDay()]+', '+ today.getFullYear();

console.log(newDate)

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乙白 2025-01-17 20:56:49

只需将 today.getDay() 替换为 today.getMonth()

const weekday = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
const month =  ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];

var today = new Date();
today.setUTCDate(today.getUTCDate()+1);

let newDate = weekday[today.getDay()] +' '+today.getDate()+' '+month[today.getMonth()]+', '+ today.getFullYear();

console.log(newDate)

Just replace today.getDay() to today.getMonth()

const weekday = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
const month =  ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];

var today = new Date();
today.setUTCDate(today.getUTCDate()+1);

let newDate = weekday[today.getDay()] +' '+today.getDate()+' '+month[today.getMonth()]+', '+ today.getFullYear();

console.log(newDate)

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