Which of the Following Methods Uses Familial Reference to Loop

question 48

Multiple Choice

Which of the following methods uses familial reference to loop through a collection of child nodes?

• A) for (var n = node .firstChild; n !== null; n = n .nextSibling) { commands }
• B) for (var n = node .firstChild; n !== null; n = n .previousSibling) { commands }
• C) for (var n = node .firstChild; n !== null; n = n .firstChild) { commands }
• D) for (var n = node .firstChild; n !== null; n = n .lastChild) { commands }

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Definitions:

Overdrive Ratio

A gear ratio in which the output speed of a transmission is higher than the input speed, resulting in lower engine RPM and improved fuel efficiency at high speeds.

Auxiliary Section

A supplementary part or segment of a machine or system, providing additional functionality or capacity.

Clockwise Rotation

A circular movement in the same direction as the hands move on a clock.