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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam

Passing score 65%
There is a time limit of 105 minutes for the exam.
The type of questions is Multiple Choice and situation-based questions.
This exam is offered in only English.
This exam consists of 60 questions

To prepare for the Salesforce JavaScript-Developer-I Exam, candidates should have a strong foundation in programming and JavaScript development, as well as experience working with the Salesforce platform. They can also take advantage of a range of study resources provided by Salesforce, including study guides, practice exams, and training courses. By investing the time and effort to prepare for the exam, developers can improve their skills and knowledge, and demonstrate their expertise to potential employers and clients.

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Salesforce JavaScript-Developer-I Certification Exam covers a wide range of topics, including JavaScript programming concepts, web development fundamentals, and the Salesforce Lightning platform. Developers who Pass JavaScript-Developer-I Exam will have a deep understanding of the Salesforce platform and will be able to build custom applications using JavaScript that integrate seamlessly with the Salesforce ecosystem.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q121-Q126):

NEW QUESTION # 121
Refer to the code below:
const car = {
price:100,
getPrice:function(){
return this.price;
}
};
const customCar = Object.create(car);
customCar.price = 70;
delete customCar.price;const result = customCar.getPrice();
What is the value of result after the code executes?

A. null
B. 0
C. undefined
D. 1

Answer: D

NEW QUESTION # 122
The developer wants to test the array shown:
Const arr = Array (5) . fill (0);
Which two test are the most accurate for this array? Choose 2 answers

A. Console. Assert (arr. Length > 0) ;
B. Arr. forEach (elem => console .assert (elem === 0) );
C. Console,assert(arr(0) === 0 $$ arr (arr .longth ) === 0) ;
D. Console,assert(arr.length === 5) ;

Answer: B

NEW QUESTION # 123
A developer wants to literate through an array of objects and count the objects whose property value, name, start with the letter N. const arrobj - [{''name ''t ''Zach''}, { ''name t Kate'') , ( ''name Alice'') < ( ''name'' t ''Bob'') , (''name'' t ''Nathan) , (''name'' t ''Nathandle1'')] Refer to the code snippet below:

Which missing lines 02 and 03 return the correct count?

A. Comst sum = curr. Name startsWith ('N') 7 1 : 0
Return acc + sum;
B. Conset sun + curr. StartsWith ('N') 7 1 : 1;
Return acc + sum ;
C. Comst sum = curr. name startsWith ('N') 7 1 : 0;
Return curr + sum;
D. Const sum = curr. name startsWith ('N') 7 1 : 0;
Return curr + sum;

Answer: A

NEW QUESTION # 124
Refer to the following array:
Let arr1 = [ 1, 2, 3, 4, 5 ];

Which two lines of code result in a second array, arr2 being created such that arr2 is not a reference to arr1?

A. Let arr2 = arr1.slice(0, 5);
B. Let arr2 = arr1.sort();
C. Let arr2 = arr1;
D. Let arr2 = Array.from(arr1);

Answer: A,D

NEW QUESTION # 125
A developer is leading the creating of a new browser application that will server a single page application. The team wants to use a new web framework Minialist.js. The lead developer wants to advocate for a more seasoned wen framework that already has a community around it.
Which two frameworks should the load developer advocate for?

A. Koa
B. Vue
C. Express
D. Angular

Answer: C,D

NEW QUESTION # 126
......

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