Is there a way to find the sibling value of a nested object's property?

Here's my structure:

var obj = {
  apple: {
     name: "Apple Juice",
     description: "",
  },
  orange: {
     name: "Orange Juice",
     description: "",
  }
}

I want to find out the description of apple or orange by its name without using the parent (obj.apple.description)

Is there something like obj.apple.name.siblingProperty to get the value of description using name?

You can loop through the object keys, find the index of name in that object, then get the next index to get description:

var obj = {
  apple: {
     name: "Apple Juice",
     description: "",
  },
  orange: {
     name: "Orange Juice",
     description: "",
  }
}

function getNextKey(object, key) {
  var keys = Object.keys(object);
  var keyIndex = keys.indexOf(key);
  var nextKey = keys[keyIndex + 1];
  console.log(nextKey + ": " + object[nextKey]);
}

getNextKey(obj.apple, "name");
getNextKey(obj.orange, "name");