Retrieving a property of a JSON object by index?

Question

Assuming this JSON object:

var obj = {
    \"set1\": [1, 2, 3],
    \"set2\": [4, 5, 6, 7, 8],
    \"set3\": [9, 10, 11, 12]
};

The \"set

Answer 1

Simple solution, just one line..

var obj = {
    "set1": [1, 2, 3],
    "set2": [4, 5, 6, 7, 8],
    "set3": [9, 10, 11, 12]
};

obj = Object.values(obj);

obj[1]....