Salesforce Exam Javascript Developer I Topic 4 Question 85 Discussion

Actual exam question for Salesforce's Javascript Developer I exam

Question #: 85
Topic #: 4

[All Javascript Developer I Questions]

Refer to code below:

function Person() {

this.firstName = 'John';

}

Person.prototype ={

Job: x => 'Developer'

};

const myFather = new Person();

const result=myFather.firstName + ' ' + myFather.job();

What is the value of the result after line 10 executes?

AError: myFather.job is not a function

BUndefined Developer

CJohn undefined

DJohn Developer

Show Suggested Answer

Suggested Answer: B

by Buddy at Jul 17, 2024, 06:54 PM

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Jordan

2 months ago

Wait, is this a trick question? I'm going to go with option D, but I'm secretly hoping it's a joke and the real answer is 'John, the Developer'.

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Carlee

18 days ago

Yeah, it makes sense that the result would be 'John Developer'.

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Azalee

19 days ago

I agree, it should be 'John Developer'.

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Rodney

26 days ago

I think it's option D, 'John Developer'.

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Clare

2 months ago

Haha, this code is a bit of a mess, isn't it? I'm going to have to go with option D though - 'John Developer'. It's the only one that makes sense to me.

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Garry

22 days ago

Definitely, option D is the only one that fits with the code logic.

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Justine

30 days ago

Yeah, I agree. 'John Developer' makes the most sense given the code provided.

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Jill

1 months ago

Definitely, option D is the only one that fits with the code logic.

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Valentin

2 months ago

I think you're right, option D does seem to be the correct answer.

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Tequila

2 months ago

Yeah, I agree. 'John Developer' makes the most sense given the code provided.

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Rose

2 months ago

I think you're right, option D does seem to be the correct answer.

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Dalene

2 months ago

This is a tricky one! I'm going to have to agree with Enola - that arrow function on the prototype is going to cause some issues. I'll go with option A as well.

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Enola

2 months ago

Wait, why is the 'Job' property declared with an arrow function? That's not going to work the way we expect. I think I'll have to go with option A - 'Error: myFather.job is not a function'.

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Stephanie

17 days ago

Looks like option A is the correct choice.

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Dalene

19 days ago

So 'myFather.job' is not a function because of that.

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Jerry

1 months ago

Yeah, arrow functions don't bind 'this' like regular functions do.

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Lindsey

2 months ago

I think you're right, the arrow function syntax is causing an issue here.

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Shelia

3 months ago

Hmm, the problem seems to be that we're trying to access the 'job' property directly instead of using the 'Job' method on the prototype. I'll go with option D - 'John Developer'.

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