With Aspose.Cells, it is simple To create, open, and manage Excel, Csv, TSV, ODS, HTML, Numbers, Json, XML, Pdf, Jpg, Tiff, Image, Mht, and XPS files using JavaScript via C++....managing Excel, OpenOffice, Json, Csv and Html files Contents [..."fileInput" accept = ".xls,.xlsx,.csv" /> < button id = "runExample"...