Increase the date by days in gradual increments over multiple years

Question

Increase the date by days in gradual increments over multiple years

I am trying to figure out how to increment a date by adding days and then expanding that date over a specific time period. I have encountered an issue with getting the date to increment correctly without using a plugin. Any suggestions? One key problem is when the dates extend into a new year, it always defaults to the current year due to how I initialized the date. If my explanation is unclear, please feel free to ask questions for clarification.

var last, packEndDate, packStartDate;

while (i < frequencyValue) {
  packStartDate = new Date();
  packEndDate = new Date();
  debugger;
  if (isWeek) {
    packStartDate.setDate(startDate.getDate() + (7 * i));
    packEndDate.setDate(packStartDate.getDate() + 7);
  } else {
    packStartDate.setDate(startDate.getDate() + (30 * i));
    packEndDate.setDate(packStartDate.getDate() + 30);
  }
  last = frequencyValue - 1;
  if (i === last) {
    packEndDate = endDate;
  }
}
i++;
}

javascript .net date extjs coffeescript

Answer 1

Answer №1

By manipulating the number of milliseconds since January 1, 1970, 00:00:00 UTC, you can easily create new Date objects that represent moments in the future. This method allows you to add a fixed amount of time to the current date without needing to worry about specific calendar details like the year or day of the week.

If you're looking to increment a specific date by a set number of days within a loop, you can use the following code snippet:

var numberOfDaysToIncrement = 7;
var offset = numberOfDaysToIncrement * 24 * 60 * 60 * 1000;

var currentDate = new Date();
var incrementedDate = new Date(currentDate.getTime() + offset);

Answer 2

By manipulating the number of milliseconds since January 1, 1970, 00:00:00 UTC, you can easily create new Date objects that represent moments in the future. This method allows you to add a fixed amount of time to the current date without needing to worry about specific calendar details like the year or day of the week.

If you're looking to increment a specific date by a set number of days within a loop, you can use the following code snippet:

var numberOfDaysToIncrement = 7;
var offset = numberOfDaysToIncrement * 24 * 60 * 60 * 1000;

var currentDate = new Date();
var incrementedDate = new Date(currentDate.getTime() + offset);

Answer 3

Answer №2

Try utilizing extjs for your project.

You can make use of the add method found in the Ext.Date object. For more information, refer to: http://docs.sencha.com/extjs/4.2.2/#!/api/Ext.Date-method-add

For example: Ext.Date.add(new Date('10/29/2006'), Ext.Date.DAY, 5);

Answer 4

Try utilizing extjs for your project.

You can make use of the add method found in the Ext.Date object. For more information, refer to: http://docs.sencha.com/extjs/4.2.2/#!/api/Ext.Date-method-add

For example: Ext.Date.add(new Date('10/29/2006'), Ext.Date.DAY, 5);

Answer 5

Answer №3

Adjusted my code to appear like this:


packagesToAdd = []
packStartDate = new Date()
packEndDate = new Date()

while i < frequencyValue
    if isWeek
        toIncrementWeekly = 7 * i
        offset = toIncrementWeekly * 24 * 60 * 60 * 1000
        packStartDate = new Date(startDate.getTime() + offset)
        packEndDate.setDate(packStartDate.getDate() + 7)
    else
        toIncrementMonthly = 30 * i
        offset = toIncrementMonthly* 24 * 60 * 60 * 1000
        packStartDate = new Date(startDate.getTime() + offset)
        packEndDate.setDate(packStartDate.getDate() + 30)

    last = frequencyValue - 1
    if i == last
        packEndDate = endDate

    number = ('0' + i).slice(-2)
    i++

Operates flawlessly. Appreciations to dmlittle.

Answer 6

Adjusted my code to appear like this:


packagesToAdd = []
packStartDate = new Date()
packEndDate = new Date()

while i < frequencyValue
    if isWeek
        toIncrementWeekly = 7 * i
        offset = toIncrementWeekly * 24 * 60 * 60 * 1000
        packStartDate = new Date(startDate.getTime() + offset)
        packEndDate.setDate(packStartDate.getDate() + 7)
    else
        toIncrementMonthly = 30 * i
        offset = toIncrementMonthly* 24 * 60 * 60 * 1000
        packStartDate = new Date(startDate.getTime() + offset)
        packEndDate.setDate(packStartDate.getDate() + 30)

    last = frequencyValue - 1
    if i == last
        packEndDate = endDate

    number = ('0' + i).slice(-2)
    i++

Operates flawlessly. Appreciations to dmlittle.

Increase the date by days in gradual increments over multiple years

Answer №1

Answer №2

Answer №3

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