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Salesforce JS-Dev-101 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Testing: Covers evaluating unit test effectiveness against a block of code and modifying tests to improve their coverage and reliability.
Topic 2
  • Variables, Types, and Collections: Covers declaring and initializing variables, working with strings, numbers, dates, arrays, and JSON, along with understanding type coercion and truthy
  • falsy evaluations.
Topic 3
  • Browser and Events: Covers DOM manipulation, event handling and propagation, browser-specific APIs, and using Browser Developer Tools to inspect code behavior.
Topic 4
  • Debugging and Error Handling: Covers proper error handling techniques and the use of the console and breakpoints to debug code.

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Originating the JS-Dev-101 exam questions of our company from tenets of offering the most reliable backup for customers, and outstanding results have captured exam candidates’ heart for their functions. Our JS-Dev-101 practice materials can be subdivided into three versions. All those versions of usage has been well-accepted by them. They are the PDF, Software and APP online versions of our JS-Dev-101 Study Guide.

Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions (Q57-Q62):

NEW QUESTION # 57
Which option istrue about the strict mode in imported modules?

Answer: B


NEW QUESTION # 58
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 teamhas already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Choose 3 answers:

Answer: B,C,E


NEW QUESTION # 59
Refer to the following object:
const cat ={
firstName: 'Fancy',
lastName: ' Whiskers',
Get fullName() {
return this.firstName + ' ' + this.lastName;
}
};
How can a developer access the fullName property for cat?

Answer: C


NEW QUESTION # 60
Refer to the code below:
Function changeValue(obj) {
Obj.value = obj.value/2;
}
Const objA = (value: 10);
Const objB = objA;
changeValue(objB);
Const result = objA.value;
What is the value of result after the code executes?

Answer: A


NEW QUESTION # 61
A developer has the function, shown below, that is called when a page loads.
function onload() {
console.log("Page has loaded!");
}
Where can the developer see the log statement after loading the page in the browser?

Answer: C


NEW QUESTION # 62
......

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