Date/Time Field Value Out of Range Error in JavaScript

When working with dates and times in JavaScript, you may have encountered the “date/time field value out of range” issue as a web developer. This error happens when a date or time value goes outside of the permitted range for a certain field, such as a year that is less than one or larger than 9999.

One typical source of this problem is using the new Date() constructor with an incorrect date string. For example, the following code will generate an “invalid date” error:

const date = new Date("not a valid date string");

Another source of this problem is dealing with out-of-range time values. The following code, for example, will result in a “date/time field value out of range” error:

const date = new Date();
date.setHours(24);  // throws an error because 24 is out of range for the hours field

How to fix the “Date/Time Field Value Out of Range” error in JS

To resolve this problem, use the isValid() method on a Date object to see whether it reflects a valid date and time. This method produces a boolean result indicating if the date is legitimate or not. For example, the following code will not generate an error:

const date = new Date("not a valid date string");
if(!date.isValid()){
  console.log("Invalid date")
}

If you need to accept incorrect date input, use a library like “moment” that can handle non-standard date formats.

To avoid this problem, always evaluate user input before constructing a Date object with it. Regular expressions may be used to ensure that the input is in a valid format, and isNaN() can be used to ensure that the input can be interpreted as a number.

Here are some things to remember while working with dates and timings in JavaScript:

Do’s

• Use the isValid() method to check if a date is valid before using it.
• Validate user input before creating a Date object with it.
• Validate user input before creating a Date object with it.

Don’ts

• Don’t use the new Date() constructor with an invalid date string.
• Don’t set time values that are out of range.
• Don’t rely on the date object’s toString() and toUTCString() for formatting, use a library for it.

Finally, the “date/time field value out of range” problem in JavaScript can be produced by supplying an erroneous date or time value, but it is easily prevented by utilizing the isValid() function and verifying user input appropriately. To ensure that your code works smoothly and without problems, remember to always keep the “do’s” and “don’ts” of dealing with dates and times in JavaScript in mind.

Also, Read:

If you are familiar with PHP and JavaScript then you might also face the problem of using PHP variables in JavaScript, learn about it by clicking on the attached link.