How to get the current date data in js
May 06, 2024 am 09:24 AMThere are two ways to get the current date data in JavaScript: use the Date object, for example: const now = new Date(); use the Date.now() method, for example: const timestamp = Date.now() ;
#How to get current date data in JavaScript
Getting current date data is a common task in JavaScript. Several methods can be used to achieve this:
Date
Objects
You can use Date
objects to represent specific dates and times. To get the current date, you can use the new Date()
constructor.
const now = new Date();
Date
The object provides a variety of methods to access date and time information, for example:
getDay()
: Get the day of the week Number (0-6, 0 represents Sunday)getDate()
: Get the date (1-31)getMonth()
: Get the month (0-11, where 0 represents January)getFullYear()
: Get the year
For example:
console.log(`当前星期:${now.getDay() + 1}`); // 输出:当前星期几 console.log(`当前日期:${now.getDate()}`); // 输出:当前日期 console.log(`当前月份:${now.getMonth() + 1}`); // 输出:当前月份 console.log(`当前年份:${now.getFullYear()}`); // 输出:当前年份
Date.now()
Another way to get the current date data is to use the Date.now()
method. This method returns the number of milliseconds since January 1, 1970 00:00:00 UTC.
const timestamp = Date.now();
This timestamp can be used to calculate relative times or compare with other timestamps.
Library
You can also use JavaScript libraries to obtain date data, for example:
- Moment.js: A tool for manipulating dates Popular library that provides a variety of convenient methods and formatting options.
- Date-fns: Another popular date library that provides some useful functions such as adding, subtracting and comparing dates.
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