JavaScript的Date以毫秒为单位工作,因此如果您有一个表示分钟的数字(无论是否包括小数分钟),您可以通过...
someDate.setMinutes( 34 ); document.write( "Minutes = " + someDate.getMinutes() + "" ); // Reset the date someDate.setDate( 32 ); document.write( "Date = " + someDate.getDate() + "" ); document.write( "Month = " + someDate.getMonth() + "" ); 下面是你会得到的结果...
document.write( "Date = " + someDate.getDate() + "" ); // Set the minutes to 34 someDate.setMinutes( 34 ); document.write( "Minutes = " + someDate.getMinutes() + "" ); // Reset the date someDate.setDate( 32 ); document.write( "Date = " + someDate.getDate() + "" )...
let d = new Date(); // Start with the current date d.setFullYear(d.getFullYear() + 1); // Increment the year 要获取或设置 Date 的其他字段,将方法名称中的“FullYear”替换为“Month”、“Date”、“Hours”、“Minutes”、“Seconds”或“Milliseconds”。一些日期设置方法允许你一次设置多个字段。
JavaScript - Date - The Date object is a datatype built into the JavaScript language. Date objects are created with the new Date( ) as shown below.
In this tutorial, our focus will be on learning how to add or subtract a period of time such as years, months, days, hours, and minutes from a specified date. How to Add Years, Months, and Days to a Date You might recall from our other tutorial that JavaScript has methods such...
date.setTime(date.getTime() + (addSeconds * 1000)); // Convert seconds to milliseconds console.log(date); The resulting date will betoday’s dateplus4days,3 hours,2minutes, and1second. You can supply negative numbers or use the–(subtraction) operator instead of addition. ...
Valid date strings (date formats) are described in the next chapter. Using new Date(number), creates a new date object aszero time plus the number. Zero time is 01 January 1970 00:00:00 UTC. The number is specified in milliseconds: ...
<META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> // 计算两个日期的间隔天数 function Computation(sDate1, sDate2){ //sDate1和sDate2是2008-12-13格式 var aDate, oDate1, oDate2...
There are 9 ways to create a new date object:new Date() new Date(date string) new Date(year,month) new Date(year,month,day) new Date(year,month,day,hours) new Date(year,month,day,hours,minutes) new Date(year,month,day,hours,minutes,seconds) new Date(year,month,day,hours,minutes,...