Desired output:
{ "z": 123, "y": 123, "x": 123 }
Example
const myArray = ['z', 'y', 'x']; const r: Record<string, any> = {}; for (propKey of myArray) r[propKey] = 123;
Output:
{ "x": 123, "y": 123, "z": 123 }
From MDN
Although the keys of an ordinary Object are ordered now, this was not always the case, and the order is complex. As a result, it's best not to rely on property order.
Alternatives
Array
Maps, you can use map to iterate and its entries are ordered