javascript - Get the key of a nested object

Question

I need a simple method to get the key of a nested object, e.g. description. This is my structure:

let data = [
  {
    name: "Apple",
    id: 1,
    alt: [{ name: "fruit1", description: "tbd1" }]
  },
  {
    name: "Banana",
    id: 2,
    alt: [{ name: "fruit2", description: "tbd2" }]
  },
  {
    name: "Blueberry",
    id: 3,
    alt: [{ name: "fruit3", description: "tbd3" }]
  }
];

Answer 1

You can use Object.keys(x) to list the keys for any arbitrary object. Regarding the nesting, it is just a case of knowing which of the nested indicies you wish to list fields for and supplying it.

You might want to consider something like this