Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice
Certification Provider: Salesforce
Corresponding Certification: Salesforce Developers
Over 49865+ Satisfied Customers
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- Total Questions: 149
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- Total Questions: 149
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Salesforce JS-Dev-101 Exam Syllabus Topics:
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Exam candidates grow as the coming of the exam. Most of them have little ideas about how to deal with it. Or think of it as a time-consuming, tiring and challenging task to cope with (Salesforce JS-Dev-101). So this challenge terrifies many people. Perplexed by the issue right now like others? Actually, your anxiety is natural, to ease your natural fear of the exam, we provide you an opportunity to integrate your knowledge and skills to fix this problem. As you know, the importance of the correct material is vital to your exam, and our JS-Dev-101 study questions are indispensable choices for your test.
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Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions:
Given the code below:
01 function Person() {
02 this.firstName = 'John';
03 }
04
05 Person.proto = {
06 job: x => 'Developer'
07 });
08
09 const myFather = new Person();
10 const result = myFather.firstName + ' ' + myFather.job();
What is the value of result when line 10 executes?
- A. Error: myFather.job is not a function
- B. John undefined
- C. John Developer
- D. undefined Developer
Correct Answer: A 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
Console logging methods that allow string substitution:
- A. message
- B. log
- C. error
- D. assert
- E. info
Correct Answer: B,C,D,E 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
Refer to the code below:
<html>
<body>
<div id="logo">Hello Logo!</div>
<button id="test">Click me</button>
</body>
<script>
function printMessage(event) {
console.log('This is a test message');
}
let el = document.getElementById('test');
el.addEventListener("click", printMessage, false);
</script>
</html>
Which action should be done?
- A. Add event.stopPropagation(); to window.onload event handler
- B. Add event.removeEventListener(); to window.onload event handler
- C. Add event.stopPropagation(); to printMessage function
- D. Add event.removeEventListener(); to printMessage function
Correct Answer: C 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
Refer to the code below:
01 let country = {
02 get capital() {
03 let city = Number("London");
04
05 return {
06 cityString: city.toString(),
07 }
08 }
09 }
Which value can a developer expect when referencing country.capital.cityString?
- A. undefined
- B. NaN
- C. An error
- D. 'London'
Correct Answer: B 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
Which three actions can the code execute in the browser console?
- A. Run code that is not related to the page.
- B. View and change the DOM of the page.
- C. Display a report showing the performance of a page.
- D. View, change, and debug the JavaScript code of the page.
- E. View and change security cookies.
Correct Answer: A,B,D 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
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