date difference in cobol in javascript

index.tsx
IDENTIFICATION DIVISION.
PROGRAM-ID. DATE-DIFFERENCE.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 DATE-1.
   05 YY-1   PIC XX.
   05 MM-1   PIC XX.
   05 DD-1   PIC XX.
01 DATE-2.
   05 YY-2   PIC XX.
   05 MM-2   PIC XX.
   05 DD-2   PIC XX.
01 DATE-1-INTEGER PIC 9(8).
01 DATE-2-INTEGER PIC 9(8).
01 DIFFERENCE PIC 9(4).
PROCEDURE DIVISION.
   MOVE '20210305' TO DATE-1.     // YYYYMMDD
   MOVE '20210215' TO DATE-2.     // YYYYMMDD
   COMPUTE DATE-1-INTEGER = FUNCTION INTEGER-OF-DATE(DATE-1)
   COMPUTE DATE-2-INTEGER = FUNCTION INTEGER-OF-DATE(DATE-2)
   COMPUTE DIFFERENCE = FUNCTION INTEGER-OF-INTEGER(DATE-1-INTEGER - DATE-2-INTEGER)
   DISPLAY 'Date Difference: ' DIFFERENCE ' days'
   STOP RUN.
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index.tsx
const date1 = moment('2021-03-05')
const date2 = moment('2021-02-15')
const difference = date1.diff(date2, 'days')
console.log(`Date Difference: ${difference} days`)
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