After the Following Code Executes, What Does X Hold

question 15

Short Answer

After the following code executes, what does x hold?
var animal = "porcupine";
var x = animal.lastIndexOf("p", 3);

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Definitions:

Innate Physical Barrier

Natural barriers formed by the body’s anatomy, such as the skin and mucosal surfaces, that help prevent the entry of pathogens.

Washing Action

The process of cleansing or removing dirt, contaminants, or impurities from objects or surfaces, typically involving agitation and detergents or solvents.

Tears

A liquid produced by the lacrimal glands for lubrication, nourishment of the cornea, and protection against infection in the eye.

Macrophages

A type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.