Is it possible to add dynamically named properties to JavaScript object?

Question

In JavaScript, I\'ve created an object like so:

var data = {
    \'PropertyA\': 1,
    \'PropertyB\': 2,
    \'PropertyC\': 3
};

Is it poss

Answer 1

The simplest and most portable way is.

var varFieldName = "good";
var ob = {};
Object.defineProperty(ob, varFieldName , { value: "Fresh Value" });

Based on #abeing answer!