@quantlab/handsontable/demo/json/load.json

Spreadsheet-like data grid editor that provides copy/paste functionality compatible with Excel/Google Docs

{
  "data": [
    ["", "Kia", "Nissan", "Toyota", "Honda"],
    ["2008", 10, 11, 12, 13],
    ["2009", 20, 11, 14, 13],
    ["2010", 30, 15, 12, 13]
  ]
}