XLSX.js is a JavaScript library for converting the data in base64 XLSX files into JavaScript objects - and back! Please note that this library is licensed under the Microsoft Office Extensible File License - a license NOT approved by the OSI. While this license is based off of the MS-PL, which is OSI-approved, there are significant differences.
You use
Date.now()
in your xlsx.js file when it's not correctly supported by < IE9So you probably want to add this below code somewhere:
If not then xslx.js won't work with < IE9 !