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Adobe Exam AD0-E213 Topic 8 Question 45 Discussion

Actual exam question for Adobe's AD0-E213 exam
Question #: 45
Topic #: 8
[All AD0-E213 Questions]

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

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Suggested Answer: C

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-developer-professional-study-guide.pdf


by Vallie at Jul 11, 2024, 06:50 PM

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Willow
7 months ago
That's a good point, Elenor. It's important to make sure the types match to avoid errors.
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Elenor
7 months ago
I believe the exception could also occur when the type of the value returned by function V does not match its declared type.
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Gail
7 months ago
I agree with Jarvis. It makes sense that the error would happen in that scenario.
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Ellsworth
7 months ago
Hmm, I think it's B. Calling a function before it's defined? Sounds like a recipe for disaster. JavaScript, you sly fox!
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Precious
5 months ago
Hmm, good point. That could definitely be another reason for the 'TypeError: x is not a function' error.
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Arthur
5 months ago
I think it's actually C. If the return type doesn't match the declared type, it could cause that exception.
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Scarlet
6 months ago
I agree, calling a function before it's defined can definitely lead to that error.
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Winfred
6 months ago
I've encountered that error before, it's always important to make sure your functions are defined before calling them.
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Tasia
6 months ago
I think it's actually when the type of the value returned doesn't match its declared type.
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Veronika
7 months ago
I agree, calling a function before it's defined can definitely cause that error.
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Jarvis
7 months ago
I think the JavaScript exception may occur when function V is called after it is defined.
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Thaddeus
7 months ago
C'mon, this one's easy. It's when the return type of the function doesn't match what you expected. Always double-check those function signatures, folks!
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Gracia
8 months ago
Ah, the classic 'TypeError; x is not a function' error. Rookie mistake - trying to call a variable like a function. Been there, done that!
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Alex
7 months ago
User 2
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Emilio
7 months ago
User 1
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