dayjs convert date format code example

Example 1: convert date dd/mm/yyyy to date object js

DateParts = data.split("/");

new Date(+DateParts[2], DateParts[1] - 1, +DateParts[0]).setUTCHours(
      0,
      0,
      0,
      0
    )

Example 2: convert javascript date into excel date

var record_date = Date.parse(item.record_date_string)
var days = Math.round((record_date - new Date(1899, 11, 30)) / 8.64e7);
item.record_date = parseInt((days).toFixed(10));

return item;