spans

sets span configurations for the datagrid

 let spans: array

webix.grid({
  data:{
    data:grid_data,
    spans:[
      [1, "country", 1, 3],
      [4, "country", 1, 2]
    ]
  }
});

also check the next samples:

The parameter is used within the component data that is presented as an object with two properties:

data or url - component data, inline of server-side (file);
spans - an array of span configurations, each of which includes:
- id (number, string, object) - the id of the row that starts colspan/rowspan;
- column (string) - the id of the column that starts colspan/rowspan;
- width (number) - how many columns should the span include;
- height (number) - how many rows should the span include;
- value (string) - value that the span area should display;
- css (string) - css class that should be applied to the span area.