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Who should take the Salesforce JavaScript-Developer-I Exam
This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:
- Technical Product Manager
- Support engineer
- Full stack developer
- Front end developer
- Software/backend developer
- Salesforce developer
- JavaScript programmer
- UI/UX Engineer
- Technical Project Manager
- Web application developer
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Topic | Details |
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions:
Refer to the code:
01 function execute() {
02 return new Promise((resolve, reject) = > reject());
03 }
04 let promise = execute();
05
06 promise
07 .then(() = > console.log( ' Resolved1 ' ))
08 .then(() = > console.log( ' Resolved2 ' ))
09 .then(() = > console.log( ' Resolved3 ' ))
10 .catch(() = > console.log( ' Rejected ' ))
11 .then(() = > console.log( ' Resolved4 ' ));
What is the result when the Promise in the execute function is rejected?
- A. Rejected Resolved4
- B. Rejected
- C. Resolved1 Resolved2 Resolved3 Rejected Resolved4
- D. Resolved1 Resolved2 Resolved3 Resolved4
Correct Answer: A π³οΈ
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
Refer to the code below:
01 const objBook = {
02 title: ' JavaScript ' ,
03 };
04 Object.preventExtensions(objBook);
05 const newObjBook = objBook;
06 newObjBook.author = ' Robert ' ;
What are the values of objBook and newObjBook respectively?
- A. { author: " Robert " }
{ author: " Robert " , title: " JavaScript " } - B. { author: " Robert " , title: " JavaScript " }
undefined - C. { title: " JavaScript " }
{ title: " JavaScript " } - D. { author: " Robert " , title: " JavaScript " }
{ author: " Robert " , title: " JavaScript " }
Correct Answer: C π³οΈ
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
Refer to the HTML below:
< div id= " main " >
< ul >
< li > Leo < /li >
< li > Tony < /li >
< li > Tiger < /li >
< /ul >
< /div >
Which JavaScript statement results in changing " Leo " to " The Lion " ?
- A. document.querySelectorAll( ' #main #Leo ' ).innerHTML = ' The Lion ' ;
- B. document.querySelector( ' #main li:nth-child(1) ' ).innerHTML = ' The Lion ' ;
- C. document.querySelector( ' #main li:second-child ' ).innerHTML = ' The Lion ' ;
- D. document.querySelectorAll( ' #main li,Leo ' ).innerHTML = ' The Lion ' ;
Correct Answer: B π³οΈ
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
Refer to the following object:
const dog = {
firstName: ' Beau ' ,
lastName: ' Boo ' ,
get fullName() {
return this.firstName + ' ' + this.lastName;
}
};
How can a developer access the fullName property for dog?
- A. dog.function.fullName()
- B. dog.get.fullName
- C. dog.fullName
- D. dog.fullName()
Correct Answer: C π³οΈ
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
A developer writes the code below to return a message to a user attempting to register a new username. If the username is available, a variable named msg is declared and assigned a value on line 03.
function getAvailabilityMessage(item) {
if (getAvailability(item)) {
var msg = " Username available " ;
return msg;
}
}
- A. undefined
- B. " newUserName "
- C. " msg is not defined "
- D. " Username available "
Correct Answer: D π³οΈ
Explanation: Only visible for PassReview members. You can sign-up / login (it's free).
Viewing page 1 out of 30 pages.
Viewing questions 1-5 out of 149 questions.
Steven 
John 
Deborah 
Kerr 
Mona 
Hannah 
Roxanne 
Burton 
Leif 
Lou 
Arthur 
Arvin 
Ada 
