How access to any fields of data ??

var products = [{
id: 1,
name: "Product1",
price: 120,
category: {
"id": 1,
"name": "Starter"
},
}, {
id: 2,
name: "Product2",
price: 80
}];

Plz i just want to try to get access to the name of the category , i already tried with
dataField="category.name" but don't