Which Results in a Node That Exists Independently of the DOM

question 25

Multiple Choice

Which results in a node that exists independently of the DOM tree?

• A) appendChild()
• B)createElement()
• C)insertBefore()
• D)setting the value of a variable referencing an independent node to null

---

Definitions:

Operating Expenses

Expenses incurred from normal business operations such as manufacturing costs, marketing fees, and office supplies.

Sales Revenue

Income generated from selling goods or services over a period, critical for determining a company's profitability.

Gross Profit

The financial gain calculated by subtracting the cost of goods sold from the revenue generated from sales of those goods.

Operating Expenses

Costs associated with the day-to-day operations of a business such as rent, salaries, and utilities.