Salesforce Javascript Developer I Exam Practice Test Instant Access

Question 1

Given the following code:

What is the output of line 02?

A'null'

B'x-

C'undefined' 0

D'object'

Answer : D

Question 2

Given the HTML below:

Which statement adds the priority-account CSS class to the Universal Containers row?

Adocument. querySelector (#row-uc').classes-push('priority-account');

Bdocument. getElementByid('row-uc').addClass('priority-account*);

Cdocument. querySelectorAll('#row-uc') -classList.add('priority-accour');

Ddocument. queryselector('#row-uc').ClassList.add('priority-account');

Answer : D

Question 3

Given the code below:

What is logged to the console'

A1 2 3 4 5

B1 2 5 3 4

C2 5 1 3 4

D2 5 3 4 1

Answer : D

Question 4

Given the code below:

Which three code segments result in a correct conversion from number to string? Choose 3 answers

Alet strValue = numValue. toString();

Blet strValue = * * 4 numValue;

Clet strValue = numValue.toText ();

Dlet scrValue = String(numValue);

Elet strValue = (String)numValue;

Answer : A, B, D

Question 5

Given the followingcode, what is the value of x?

let x = '15' + (10 * 2);

A35

B50

C1520

D3020

Answer : C

Question 6

Refer to the code declarations below:

Which three expressions return the string JavaScript?

Choose 3 answers

AStr1.join (str2);

BStr1.concat (str2);

CConcat (str1, str2);

D$(str1) $ (str2} ';

EStr1 + str2;

Answer : B, D, E

Question 7

Refer to the following code:

What is the value of output on line 11?

A[1, 2]

B[''foo'', ''bar'']

C[''foo'':1, ''bar'':2'']

DAn error will occur due to the incorrect usage of the for...of statement on line 07.

Answer : D

Salesforce Javascript Developer I Salesforce Certified JavaScript Developer I Exam Practice Test