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How to Check if a String is a Valid Date with JavaScript. To validate if a string is a valid date input, you need to call the Date() constructor and pass the string as its argument. Note that the Date() constructor requires you to pass a date in the format of YYYY/MM/DD or MM/DD/YYYY .

Let's define this short function: const isBetween = (date, min, max) => (date. getTime() >= min. getTime() && date.

In Emptoris® Sourcing, date field type are fields in which you can make date entries such as, auction open date or close date. You can enter the date in any preferred format. However, if you want to import data, you must enter the date in the MM/DD/YYYY format.

To check if a date field is null, we utilized the ISBLANK function of Salesforce. And by default, if the entered date field is null, this function returns a boolean value of true; otherwise, it returns a value of false.

We can get current date in javascript by using the new Date() object. The date object supports numerous date methods like getFullYear(), getMonth(), getDate(). The toUTCString() method returns the date object as a string in UTC. The method now() returns the number of milliseconds passed since January 1st, 1970.

To check if a Text field is null, you can use the isBlank() method. It returns true if the string is null or contains only whitespace. To check if a Text field is empty (contains no characters), you can use the isEmpty() method.