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JavaScript-Developer-I Exam Dumps : Salesforce Certified JavaScript Developer I (SU24)

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Salesforce Certified JavaScript Developer I (SU24) Questions and Answers

Question 1

A developer is trying to handle an error within a function.

Which code segment shows the correct approach to handle an error without propagating it elsewhere?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question 2

Refer to the following code:

Let sampleText = ‘The quick brown fox jumps’;

A developer needs to determine if a certain substring is part of a string.

Which three expressions return true for the given substring ?

Choose 3 answers

Options:

A.

sampleText.includes(‘fox’);

B.

sampleText.includes(‘ quick ’, 4);

C.

sampleText.includes(‘ Fox ’, 3)

D.

sampleText.includes(‘ fox ’);

E.

sampleText.includes(‘ quick ’) !== -1;

Question 3

Refer to the HTML below:

Which JavaScript statement results in changing “ The Lion.”?

Options:

A.

document.querySelectorAll(‘$main $TONY’).innerHTML = ’“ The Lion

B.

document.querySelector(‘$main li:second-child’).innerHTML = “ The Lion ’;

C.

document.querySelector(‘$main li.Tony’).innerHTML = ’“ The Lion ’;

D.

document.querySelector(‘$main li:nth-child(2)’),innerHTML = “ The Lion. ’;