Question 32

What does "JavaScript".includes("script") return?

the substring script
an index number
falseBonne réponse
true

Explication

includes performs a case-sensitive substring search, so lowercase "script" does not match the capitalized segment in "JavaScript". Assuming automatic case folding would turn a nonmatch into an incorrect true result.

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Question 32: What does "JavaScript".includes("script") return? · JavaScript Fundamentals · Questena