Function factorial

  • Returns the factorial of a number (can be in Bangla or English digits).

    Parameters

    • a: string | number

      Number (Bangla or English digits).

    • en: boolean = false

      If true, returns the result in English digits. Default is false (returns Bangla digits).

    Returns string

    The factorial of a.

    factorial("৫"); // returns "১২০"
    factorial(5, true); // returns "120"
    factorial("৩", true); // returns "6"
    factorial("৪"); // returns "২৪"

    If the input is invalid or not a number.