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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

Section	Objectives
Topic 1: JavaScript Language Fundamentals	- Functions, scope, and closures - ES6+ syntax and features - Data types, variables, and operators
Topic 2: Browser and DOM Interaction	- Browser APIs (fetch, storage, timers) - DOM manipulation and traversal - Event handling and propagation
Topic 3: Testing and Debugging	- Debugging techniques and tools - Unit testing principles
Topic 4: Asynchronous JavaScript	- Error handling in async workflows - Promises and async/await - Event loop and concurrency model
Topic 5: Salesforce Platform Integration	- Lightning Web Components (LWC) JavaScript usage - Security considerations in Salesforce JavaScript - Calling Apex methods from JavaScript

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Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q41-Q46):

NEW QUESTION # 41
Given the code below:

Which method can be used to provide a visual representation of the list of users and to allow sorting by the name or email attribute?

A. console.groupCol lapsed (usersList) ;
B. console.info(usersList) ;
C. console.table(usersList) ;
D. console.group(usersList) ;

Answer: D

NEW QUESTION # 42
Refer to the code below:

Line 05 causes an error.
What are the values of greeting and salutation once code completes?

A. Greeting is Hello and salutation is I say hello.
B. Greeting is Goodbye and salutation is Hello, Hello.
C. Greeting is Hello and salutation is Hello, Hello.
D. Greeting is Goodbye and salutation is I say Hello.

Answer: C

NEW QUESTION # 43
At Universal Containers, every team has its own way of copying JavaScript objects. The code Snippet shows an implementation from one team:
Function Person() {
this.firstName = "John";
this.lastName = 'Doe';
This.name =() => (
console.log('Hello $(this.firstName) $(this.firstName)');
)}
Const john = new Person ();
Const dan = JSON.parse(JSON.stringify(john));
dan.firstName ='Dan';
dan.name();
What is the Output of the code execution?

A. TypeError: Assignment to constant variable.
B. TypeError: dan.name is not a function
C. Hello Dan Doe
D. Hello John DOe

Answer: B

NEW QUESTION # 44
Refer to the following array:
Let arr1 = [1, 2, 3, 4, 5];
Which two lines of codes result in a second array, arr2, being created such that arr2 is not a reference to arr1? Choose 2 answers

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

Answer: A,D

NEW QUESTION # 45
Which two options are core Node.js modules?
Choose 2 answers

A. exception
B. http
C. worker
D. isotream

Answer: B,D

NEW QUESTION # 46
......

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