JSFiddle - React, Tailwind, and code Playground

JavaScript

var ProductList = [
{"1": {Name: "Item name", Price: "0.99"}},
{"2": {Name: "Item name", Price: "0.19"}},
{"3": {Name: "Item name", Price: "8.99"}},
{"4": {Name: "Item name", Price: "8.99"}}
];

function getInternal(arr, index){
    return arr[index][index+1];
}

var obj = getInternal(ProductList, 1);
console.log(obj.Name);