Salesforce JavaScript Developer Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

In this scenario, the code creates an object called `person` with a property `name` set to 'Lydia'. It then initializes an array called `members` that contains the `person` object as an element. The important point here is that at this stage, the `members` array holds a reference to the `person` object.

When the code sets `person` to `null`, it does not affect the reference stored in the `members` array. The `members` array still holds a reference to the original `person` object, which has its property `name` equal to 'Lydia'. Therefore, when you log `members`, it will show that it contains the object with the name property.

Given this understanding, the output logged to the console will be `[{ name: "Lydia" }]`, as it reflects the original object held in the array before the reference to `person` was set to `null`. This illustrates how JavaScript handles object references and the mutability of objects, differentiating between object references and primitive values.