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Question 47 - AD0-E213 discussion

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When may the JavaScript exception 'TypeError: "x" is not a function' occur?

A.
When function V shares its name with a variable define earlier.
Answers
A.
When function V shares its name with a variable define earlier.
B.
When function V is called after it is defined.
Answers
B.
When function V is called after it is defined.
C.
When the type of the value returned by function V does not match its declared type.
Answers
C.
When the type of the value returned by function V does not match its declared type.
Suggested answer: C

Explanation:

The JavaScript exception "TypeError: "x" is not a function" occurs when the type of the value returned by function V does not match its declared type. For example, if a function is declared to return an integer but returns a string instead, this exception will occur. This can happen when incorrect data types are used or when the function is called with the wrong number of arguments.

Reference: https://www.adobe.com/content/dam/acom/en/devnet/analytics/analytics-developerprofessional-study-guide.pdf

asked 02/10/2024
Arvin Lee
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