Salesforce Javascript-Developer-I Exam Practice Test Instant Access

Question 1

Refer to the string below:

const str = 'Salesforce';

Which two statements result in the word 'Sales'?

Choose 2 answers

Astr.substr(1, 5);

Bstr.substr (0, 5);

Cstr.substring (1, 5);

Dstr.substring (0, 5);

Answer : B, D

Question 2

Given the following code:

let x = null;

console.log(typeof x);

What is the output?

A'object'

B'undefined'

C'null'

D'x'

Answer : A

Question 3

Refer to the code below:

Which replacement for the conditionalstatement on line 02 allows a developer to correctly determine

that a specific element, myElement on the page had been clicked?

Aevent.target.id =='myElement'

Answer : A

Question 4

Refer to the HTML below:

Which JavaScript statement results in changing '' The Lion.''?

Adocument.querySelectorAll('$main $TONY').innerHTML = ''' The Lion

Bdocument.querySelector('$main li:second-child').innerHTML = ''The Lion ';

Cdocument.querySelector('$main li.Tony').innerHTML = ''' The Lion ';

Ddocument.querySelector('$main li:nth-child(2)'),innerHTML = '' The Lion. ';

Answer : A

Question 5

Refer to the followingcode:

AOption A

BOption B

COption C

DOption D

Answer : A

Question 6

A developer is leading the creation of a new web server for their team that will fulfill API requests from an existing client.

The team wants a web server that runs on Node.Js, and they want to use the new web framework Minimalist.Js. The lead developer wants to advocate for a more seasoned back-end framework that already has a community around it.

Which two frameworks could the lead developer advocate for?

Choose 2 answers

AGatsby

BAngular

CExpress

DKoa

Answer : A, B

Question 7

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

Salesforce Certified JavaScript Developer I Exam Practice Test