I am facing a weird issue in xlsx while converting an array of objects to an excel

Input array

const  input=[{id:1,DOb:'02/23/1984'},{id:2,DOb:'02/23/1985'},{id:3,DOb:'02/23/1985'},{id:4,DOb:'02/23/1940'}] 

In the output excel file, the DOB value is trimmed for some rows,

The above example returns the DOB value in excel is 02/23/40 for the input 02/23/1940.

As you see the year 1940 is trimmed to 40 What I need to exact version of the input ie 1940.

Here is the code

    const workSheet = XLSX.utils.json_to_sheet(input)
    const wb = XLSX.utils.book_new()

    XLSX.utils.book_append_sheet(wb, workSheet, 'Sheet1')
    XLSX.writeFile(wb, path)