How to Accurately Add Months to a Date in JavaScript?

Adding Months to a Date in JavaScript

In this thread, a developer seeks assistance in adding two months to a user-provided end date.

To achieve this, a custom function called addMonths() is recommended:

However, this straightforward approach faces a limitation. Adding a month to July 31st, for instance, would result in October 1st instead of September 30th. To address this issue, a more nuanced function can be employed:

This function maintains the end-of-month rule by resetting the date to the last day of the previous month if the modified month is incorrect.

As a simpler alternative, a function with a streamlined month roll-over check can be used:

This approach also ensures that the end-of-month behavior is preserved while providing a simplified implementation.

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