It is the embodiment of grid view which inherits GridBase. The embodiment of tree view is TreeView. Grid view can be connected to GridDataSet and can do row grouping.
You do not need to directly create this class object. It is created when initialize GridComponent and can visit GridComponent.gridView.
var grid = new DataLudi.GridComponent(null, 'containerId').gridView();
// or, by simplified funtion
var grid = DataLudi.createGridView('containerId');
var columns = [...];
var grid = new DataLudi.GridComponent(null, 'containerId', columns).gridView();
// or, by simplified funtion
var grid = DataLudi.createGridView('containerId', columns);