[Nov-2023] The Salesforce JavaScript-Developer-I Exam Test For Brief Preparation
Revolutionary Guide To Exam Salesforce Dumps
Salesforce JavaScript-Developer-I (Salesforce Certified JavaScript Developer I) Exam is designed for professionals who aim to become certified Salesforce Developers. JavaScript-Developer-I exam is intended to test the candidate's knowledge and skills in developing custom applications on the Salesforce platform using JavaScript. JavaScript-Developer-I exam is based on the Salesforce Certified JavaScript Developer I Certification program, which validates the candidate's proficiency in developing applications using JavaScript.
NEW QUESTION # 111
developer is trying to convince management that their team will benefit from using
Node.js for a backend server that they are going to create. The server will be a web server that
handles API requests from a website that the team has already built using HTML, CSS, and
JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Choose 3 answers:
- A. User non blocking functionality for performant request handling .
- B. Executes server-side JavaScript code to avoid learning a new language.
- C. Performs a static analysis on code before execution to look for runtime errors.
- D. I nstalls with its own package manager to install and manage third-party libraries.
- E. Ensures stability with one major release every few years.
Answer: A,C,D
NEW QUESTION # 112
Teams at Universal Containers (CU) work on multiple JavaScript projects at the same time. UC us thinking about reusability and how each team can benefit from the work of others.
Going open-source or public is not an option at this time.
Which option is available to UC with npm?
- A. Private register are not supported by npm, but packages can be installed via git.
- B. Private packages are not supported, but they can use another package manager like yarm.
- C. Private registries are not supported by spm, but packages can be installed vis URL.
- D. Private packages can be scoped, and scopes can be associated to a private registries.
Answer: B
NEW QUESTION # 113
Given the code below:
Which method can be provide a visual representation of the list if users and to allow sorting by the name or email attributes.
- A. Console.group (userList);
- B. Console,table (userslist);
- C. Console.info (userlist);
- D. Console.groupCollapsed (userslist);
Answer: A
NEW QUESTION # 114
Refer to the code below:
Considering that JavaScript is single-threaded, what is the output of line 08 after the code executes?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 115
In which situation should a developer include a try... catch block around their function call?
- A. The function might raise a runtime error that needs to be handled.
- B. The function contains scheduled code.
- C. The function has an error that should not be silenced.
- D. The function results in an out of memory issue.
Answer: A
NEW QUESTION # 116
Refer to the code:
Given the code above, which three properties are set pet1?
Choose 3 answers:
- A. Size
- B. Name
- C. Type
- D. canTalk
- E. Owner
Answer: A,C,D
NEW QUESTION # 117
Which two console logs output NaN?
Choose 2 answers | |
- A. console.loeg(10 / 'five');
- B. console.log(parseInt ' ("two')) ;
- C. console.log(10 / Number('5) ) ;
- D. console.log(10 / 0);
Answer: A,B
NEW QUESTION # 118
Refer to the code below.
After changing the string index values, the of atr is Javascript''. What is the reason for this value?
- A. Primitive values are mutable.
- B. Primitive values are immutable
- C. Non-primitive values are immutable.
- D. Non-primitive values are mutable.
Answer: D
NEW QUESTION # 119
Given the following code:
What will be the first four numbers logged?
- A. 0012
- B. 0122
- C. 0112
- D. 0123
Answer: B
NEW QUESTION # 120
Refer to the HTML below:
Which expression outputs the screen width of the element with the ID card-01?
- A. Documents.getElementById( 'card-01') . style,width
- B. Documents.getElementById( 'card-01') .getBoundingClientRect () .width
- C. Documents.getElementById( 'card-01') . InnerHTML. Length.6
- D. Documents.getElementById( 'card-01') . width
Answer: B
NEW QUESTION # 121
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 nag is declared and assigned a value on line 03.
What is the value of msg when getAvailableabilityMessage ("newUserName") is executed and get Availability ("newUserName") returns true?
- A. "User-name available"
- B. "newUserName"
- C. "msg is not defined"
- D. undefined
Answer: A
NEW QUESTION # 122
Refer to the code below:
Async funct on functionUnderTest(isOK) {
If (isOK) return 'OK' ;
Throw new Error('not OK');
)
Which assertion accurately tests the above code?
- A. Console.assert (await functionUnderTest(true), ' not OK ')
- B. Console.assert (await functionUnderTest(true), ' OK ')
- C. Console.assert (await functionUnderTest(true), 'OK')
- D. Console.assert (await functionUnderTest(true), ' not OK ')
Answer: C
NEW QUESTION # 123
Refer to the following code:
What will the console when the button is clicked?
- A. Inner message
- B. Inner message
- C. Outer message
- D. Outer message
Answer: D
NEW QUESTION # 124
A developer has the following array of student test grades:
Let arr = [ 7, 8, 5, 8, 9 ];
The Teacher wants to double each score and then see an array of the students
who scored more than 15 points.
How should the developer implement the request?
- A. Let arr1 = arr.map((num) => num*2). Filter (( val) => val > 15);
- B. Let arr1 = arr.map((num) => ( num *2)).filterBy((val) => ( val >15 ));
- C. Let arr1 = arr.mapBy (( num) => ( return num *2 )) .filterBy (( val ) => return val > 15 )) ;
- D. Let arr1 = arr.filter(( val) => ( return val > 15 )) .map (( num) => ( return num *2 ))
Answer: A
NEW QUESTION # 125
Refer to code below:
Const objBook = {
Title: 'Javascript',
};
Object.preventExtensions(objBook);
Const newObjBook = objBook;
newObjectBook.author = 'Robert';
What are the values of objBook and newObjBook respectively ?
- A. [title: "javaScript"] [title: "javaScript"]
- B. {author: "Robert", title: "javaScript}
Undefined - C. {author: "Robert"}
{author: "Robert", title: "javaScript} - D. {author: "Robert", title: "javaScript}
{author: "Robert", title: "javaScript}
Answer: A
NEW QUESTION # 126
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Salesforce JavaScript-Developer-I Certification Exam is a multiple-choice exam that consists of 60 questions, which must be completed in 105 minutes. JavaScript-Developer-I exam is administered online and can be taken from any location. The passing score for the exam is 68%, and the cost to take the exam is $200. Candidates who do not pass the exam on their first attempt can retake the exam after a waiting period of 15 days.
JavaScript-Developer-I Free Study Guide! with New Questions: https://www.exam4docs.com/JavaScript-Developer-I-study-questions.html
Pass JavaScript-Developer-I Exam Latest Practice Questions: https://drive.google.com/open?id=1v5c7BdYIpjP0vEO5H4odHcQ0I4LxIkDC
