Detailed description of the JavaScript Date object, javascriptdate
This article describes how to operate Date and Time objects.
Directory1. Introduction: Describes the Date object.
2. constructor: describes several methods of the constructor of the
Js obtains the summary of current date and time and other date operations.
The examples in this article share common scenarios of javascript time operations for your reference. The specific content is as follows:
Var myDate = new Date (); myDate.
This article mainly introduces how to get the summary of current date and time and other date operations by js. Interested partners can refer to the examples in this article to share common scenarios of javascript time operations, for your reference,
Date and Time script library method list Date. prototype. isLeapYear judge leap year
Date. prototype. Format
Date. prototype. DateAdd Date calculation
Date. prototype. DateDiff compare Date difference
Date. prototype. toString Date to string
Date.
A relatively good js Date and Time Acquisition Function is comprehensive and easy to expand. MyDate. getYear (); // obtain the current year (2 digits)
MyDate. getFullYear (); // obtain the complete year (4 bits, 1970 -????)
MyDate. getMonth (); //
1. calculate the maximum number of days of calendar month. getinstance (); time. clear (); time. set (calendar. year, year); // year is inttime. set (calendar. month, I-1); // note that the default January Calendar Object is 0 int day = time.
It is convenient to use timestamp to record datetime, but sometimes it is not necessary to display the milliseconds after the decimal point, so you need to redefine the format when converting to string. timestamp converted to string:
The following example is a JavaScript date Formatting Function written using an independent function, an independent format function. Back to the knowledge point of formatting, we examine how to implement and what principles are used. One of the
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