onContext

a property used to define custom context-click (right click) handlers for elements in the DataGrid cells

 let onContext: EventHash

Example

var dgrid = webix.grid({
    autoConfig: true,
  data:[
    { text:"<div class='myActive'>click here</div>" }
  ],
    onContext:{
      "myActive":function(event, id, target){
      console.log("Active area was right-clicked");
    }
    }
});

Details

It’s an object property that contains all available handlers.

All the handlers (existing and newly-created) are specified by the related class name.