JavaScriptGetweek

AddthenumberofdaystothecurrentweekdayusinggetDay()anddivideitby7.Wewillgetthecurrentweek'snumber.Example:Inthisexample,weare ...,2020年10月13日—ItisknownthatthereisnomethodinJavaScripttogetthecurrentweeknumberoftheyear.Youcangettheyear,months,days,hours, ...,2023年8月24日—ThegetDay()methodofDateinstancesreturnsthedayoftheweekforthisdateaccordingtolocaltime,where0representsSunday.,2023年9月22日...

參考資訊如下
Calculate current week number in JavaScript

Add the number of days to the current weekday using getDay() and divide it by 7. We will get the current week's number. Example: In this example, we are ...

Code your own getWeek() method in 30 seconds with JavaScript

2020年10月13日 — It is known that there is no method in JavaScript to get the current week number of the year. You can get the year, months, days, hours, ...

Date.prototype.getDay() - JavaScript - MDN Web Docs

2023年8月24日 — The getDay() method of Date instances returns the day of the week for this date according to local time, where 0 represents Sunday.

Get the day of the week in JavaScript without a library

2023年9月22日 — Using Date.prototype.getDay(). The getDay() method returns the day of the week for the specified date (according to the local time).

Get Week Number of the Year in JavaScript

2021年5月25日 — This tutorial introduces how to find the week number of the year in JavaScript.

How to get the day of week and the month of the year?

2011年1月27日 — Yes, you'll need arrays. var days = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday']; var months = ['January' ...

JavaScript Date getDay() Method

The getDay() method returns the day of the week (0 to 6) of a date. Sunday = 0, Monday = 1, ... (See below):. Syntax. Date.getDay(). Parameters ...

JavaScript Date.getWeek()? [duplicate]

2012年1月28日 — /** * Returns the week number for this date. dowOffset is the day of week the week * starts on for your locale - it can be from 0 to 6.

JavaScript's Get Week Number Function

Week numbers in JavaScript

To get the ISO week number (1-53) of a Date object, use date .getWeek() . To get the corresponding four-digit year, use date .getWeekYear() . // This script is ...