exportXLSX.js

function exportXLSX(blob){
    if (typeof window.navigator.msSaveBlob === 'function') {
        window.navigator.msSaveBlob(blob, "export-" + new Date().getTime() + ".xlsx");
    } else {
        var link = document.createElement('a');
        link.href = window.URL.createObjectURL(blob);
        link.download = "export-" + new Date().getTime() + ".xlsx";
        document.body.appendChild(link);
        link.click();
    }
}