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Salesforce Exam Javascript Developer I Topic 4 Question 94 Discussion

Actual exam question for Salesforce's Javascript Developer I exam
Question #: 94
Topic #: 4
[All Javascript Developer I Questions]

Given the following code:

What is the output of line 02?

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Suggested Answer: D

by Katina at Oct 21, 2024, 07:07 AM

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Glendora
21 days ago
Wait, wait, wait... is this a trick question? I'm going with D) 'object'. Surely, the object representation of 'null' must be the output, right? *scratches head*
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Billy
29 days ago
Haha, this question is a real brain-teaser! I bet the poor developer who wrote this code is kicking themselves right now. The answer is obviously C) 'undefined' 0.
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Stefan
1 months ago
I think the correct answer is C) 'undefined' 0. The code is attempting to concatenate the undefined value of 'x' with the string '0', resulting in the output 'undefined 0'.
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Myra
9 days ago
I'm not sure, but I think it could be D) 'object'.
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Teddy
14 days ago
I believe the output is D) 'object'.
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Jeannetta
14 days ago
But I think it might be A) 'null' instead.
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Teddy
16 days ago
I think it might be A) 'null' instead.
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Brett
17 days ago
I agree with you, the correct answer is C) 'undefined' 0.
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Teddy
18 days ago
I agree with you, the correct answer is C) 'undefined' 0.
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Lavonda
2 months ago
The output of line 02 should be 'undefined'. The variable 'x' is not defined, so it will return 'undefined' when attempting to access its value.
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Melvin
1 months ago
So, the correct answer is C) 'undefined'.
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Melvin
1 months ago
Yes, because 'x' is not defined.
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Melvin
1 months ago
The output should be 'undefined'.
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Angelyn
2 months ago
I believe the output is 'null'
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Hannah
2 months ago
I think the output of line 02 is 'undefined'
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