![]() ![]() tDate(date.getDate() + (7 + dayOfWeek - date. If this is more than an exercise, you should return the result, and let the user of the function do with it whatever he/she needs.Įdit: As SridharVenkat said, the range should be 0-6 not 1-7.Īlso, using modulo like AlexAtNet suggested you can reduce the code with ![]() In this example to 2020: Example const d new Date () d. If dateValue is NaN (or other values that get coerced to NaN, such as undefined ), the date is set to Invalid Date and NaN is returned. Set Date methods are used for setting a part of a date: The setFullYear () Method The setFullYear () method sets the year of a date object. Return value Changes the Date object in place, and returns its new timestamp. Im a complete newbie to JavaScript coding, and I need a little help modifying a code I have to serve a slightly different. The setDate() method sets the day of the Date object relative to the beginning of the currently set month. But you instead of + ((-1) * diff)) you could simply do - diff.įinally, you're always outputting the result to the console. Syntax setUTCDate(dateValue) Parameters dateValue An integer from 1 to 31 representing the day of the month. var d1 new Date (getField ('date.PaymentDue.1'). By using a loop and changing the number in the field names of the dates to 'i' in the loop, you can do this for multiple payment dates. The logic is correct, I think, I only tested it with a few numbers. The months are numbered from 0 through 11, so 11 is the trigger for adding another year to the next payment and changning the next month to 0. function getNextDayOfWeek(date, dayOfWeek) getNextDayOfWeek says a lot about what this function does. Using JavaScript, I need to retrieve a Date/Time value from a parent. ![]() The names on the variables are clear enough, but not of the function, dates is too broad. Set Date/Time Field to Date/Time Field in Related Entity using Javascript. If you do this, you also have to consider not modifying the date parameter and copy it instead. Here is a utility function that creates a date object and adds seven days to it, to have a date object representing next week. setDate (JavaScript) JavaScript and XPages reference This reference describes the JavaScript language elements, Application Programming Interfaces (APIs), and other artifacts that you need to create scripts, plus the XPages simple actions. function dates(date, dayOfWeek)īut then you should check that dayOfWeek is in range (0-6, thanks SridharVenkat) and probably that date is a valid Date object. In this tutorial, you will learn an easy way of adding days to Javascript Date with setDate () and getDate () inbuilt functions to set and get the day of the month represented by the Date object. Javascript date setDate() method sets the day of the month for a specified date according to local time. As it is written, it will only return November 15 always. I think I see what's the trouble.Since you say "Given a particular Date" and "next occurring Friday (or any dayOfWeek)" I think both should be parameters to your function. ![]()
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