JS Gets the current date, the current date, and the last n days of the standard month dayDay=0 is the current day, Day=7 is the first 7 days, Day=-7 is the last 7 days of the current datefunction Getstartdate (day) {var begindate;var curr_time = new Date ();var week_time = new Date (Curr_time.gettime ()-+ + *);var curyear = Week_time.getfullyear ();var curmonth = week_time.getmonth () + 1;Curmonth = curmonth > 9? Curmonth.tostring (): ' 0 ' + curmonth.tostring ();var curday = Week_time.getdate (
1. String conversion to dateDate.parse ()You can convert the string returned by date.tostring () and date.toutcstring () to a date type2. The Date object is converted to the specified format string (simulates the Java API, using a consistent format)Date.prototype.Format=function(FMT){//Author:meizzvaro={"m+": This. GetMonth ()+1,//Month"d+": This. GetDate (),//Day"H +": This. GetHours (),//hours"m+": This. getminutes (),//points"s+": This. getseconds (),//seconds"q+": Math.floor (( This. GetMont
This article is mainly about the use of JavaScript to format the string date to YYYY-MM-DD, the following words are not more, refer to the following code
function FormatDate (date) {
var d = new Date (date),
month = ' + (d.getmonth () + 1), Day
= ' + d.getdate (),
year = D.getfullyear ();
if (Month.length
How to use:
Console.log (FormatDate (' Sun May 13,2016 '));
Output:
When it comes to some time data, it is not a specific date, for example, the length of a video, it is the number of seconds in the int type.Exist in the database. We want it to be converted to the string form of HH: mm: SS for output display.
The general idea is to calculate the number of hours in the value, subtract this part, calculate the minute, calculate the second, and then splice the several parts.
I
Let me modify a JavaScript method in the header today to verify that the input date meets the requirements. Well. Our requirements are in the format of yyyy-mm-dd, and none of the others meet the requirements. The original method does not use regular expressions and uses a bunch of judgments.
In fact, I also have a headache with regular expressions. Baidu has some materials. To sum up, leave a backup here.
Recently in the writing of a HTML5 small game, the game will inevitably use the function of the timing. I am simply setting up a passedtime variable that does not have 60 frames + + once in the game Loop (fps=60). Then the time to convert the Passetime into 00:00 format is displayed. Although this method of computer time is not very accurate (because not every machine can be guaranteed to update 60 times in any second), but now the computer efficiency is very high, plus broswer progress, unless
Tags: IOS time Conversion Implementation Code: # Pragma mark-timeclick-(void) timeclick :( uibutton *) BTN {long testtime = [_ timetextfiled. text intvalue]; // defines a long integer variable nsnumber * nstime = [nsnumber numberwithlong: testtime]; // convert the basic data type to the nsnumber data type int hour = [nstime intvalue]/3600; int minute = ([nstime intvalue] % 3600)/60; int second = [nstime intvalue] % 60; If (hour Time conversion hh:
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