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  • Total Questions: 149
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  • Total Questions: 149
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Time is gold among city workers. Our Salesforce Certified JavaScript Developer - Multiple Choice dumps arrive by email about a minute after payment — 149 practice questions for the JS-Dev-101 exam, reviewing starts at once.

Salesforce JS-Dev-101 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Variables, Types, and Collections23%- Variable declaration and scope
- Data types, type coercion, truthy/falsy values
- JSON parsing and manipulation
- Strings, numbers, dates, arrays and methods
Topic 2: Browser and Events17%- Event handling, propagation, listeners
- Browser APIs and developer tools
- DOM selection and manipulation
Topic 3: Debugging and Error Handling7%- Error types and handling strategies
- Console usage, breakpoints and debugging techniques
Topic 4: Testing7%- Test coverage and improvement
- Unit test structure and effectiveness
Topic 5: Server Side JavaScript8%- Node.js fundamentals and core modules
- Package management and CLI tools
Topic 6: Asynchronous Programming13%- Callbacks, promises, async/await
- Event loop and execution flow
Topic 7: Objects, Functions, and Classes25%- Object creation, properties, prototypes
- Function types, scope, closures, arrow functions
- ES6 classes, inheritance, modules, decorators

JS-Dev-101 Exam FAQ — Your Shining Point

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The Salesforce Certified JavaScript Developer - Multiple Choice is delivered Online proctored or onsite at authorized testing centers — pick the arrangement that suits you when booking.

USD 200 per attempt, 65% to pass. Retakes cost the full fee, so review targeted — mark your weak spots in the 149 practice questions for the JS-Dev-101 exam at Prep4away.

The Salesforce Certified JavaScript Developer - Multiple Choice blueprint spans 7 domains — including Asynchronous Programming (13%), Objects, Functions, and Classes (25%), Testing (7%). The complete outline above lists every subtopic; our material includes the latest exam content for each.

No formal prerequisites; recommended: strong JavaScript fundamentals, ES6+ experience, web development familiarity Eligibility rules change over time, so verify the current requirements on the official page (official JS-Dev-101 exam page) before registering.

Yes:

After any course, review targeted with the 149 practice questions for the Salesforce Certified JavaScript Developer - Multiple Choice — every answer expert-verified.

The Salesforce Certified JavaScript Developer - Multiple Choice is Salesforce's certification exam for Salesforce Certified JavaScript Developer, at the Intermediate / Specialist level. The certificate is your shining point — an important element in how employers evaluate you. Related credentials include Salesforce Certified Developer, Salesforce Certified Platform Developer I.

Yes — download the free Salesforce Certified JavaScript Developer - Multiple Choice demo and check the accuracy and clearness yourself. Purchases include 365 days of free updates by email; renew afterward at 50% off.

As an electronic product, the Salesforce Certified JavaScript Developer - Multiple Choice material reaches your email about a minute after successful payment — we verify your information to avoid mistakes, and you start reviewing at once, with 24/7 help if nothing arrives within 2 hours. If you fail the corresponding JS-Dev-101 exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.

105 minutes for 60 scored + up to 5 unscored questions. Build pacing in the Prep4away SOFT or APP test engine — simulation makes the real clock familiar.

Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions:

Refer to the code below:
01 <html lang="en">
02 <table onclick="console.log('Table log');">
03 <tr id="row1">
04 <td>Click me!</td>
05 </tr>
06 </table>
07 <script>
08 function printMessage(event) {
09 console.log('Row log');
10 event.stopPropagation();
11 }
12
13 let elem = document.getElementById('row1');
14 elem.addEventListener('click', printMessage, false);
15 </script>
16 </html>
Which code change should be done for the console to log the following when "Click me!" is clicked?
Row log
Table log

  • A. Remove lines 13 and 14
  • B. Change line 14 to elem.addEventListener('click', printMessage, true);
  • C. Remove line 10
  • D. Change line 10 to event.stopPropagation(false);
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

A developer is leading the creation of a new web server for their team that will fulfill API requests from an existing client. The team wants a web server that runs on Node.js, and they want to use the new web framework Minimalist.js. The lead developer wants to advocate for a more seasoned back-end framework that already has a community around it.
Which two frameworks could the lead developer advocate for?

  • A. Angular
  • B. Gatsby
  • C. Next.js
  • D. Next
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

A developer implements a function that adds a few values.
function sum(num1, num2, num3) {
if (num3 === undefined) {
num3 = 0;
}
return num1 + num2 + num3;
}
Which three options can the developer invoke for this function to get a return value of 10?

  • A. sum(5, 2, 3);
  • B. sum(5)(5);
  • C. sum()(10);
  • D. sum(10, 0);
  • E. sum(5, 5, 0);
Reveal Solution  Discussion  0

Correct Answer: A,D,E  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

Console logging methods that allow string substitution:

  • A. error
  • B. log
  • C. info
  • D. assert
  • E. message
Reveal Solution  Discussion  0

Correct Answer: A,B,C,D  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

Refer to the code below:
class Student {
constructor(name) {
this._name = name;
}
displayGrade() {
console.log(`${this._name} got 70% on test.`);
}
}
class GraduateStudent extends Student {
constructor(name) {
super(name);
this._name = "Graduate Student " + name;
}
displayGrade() {
console.log(`${this._name} got 100% on test.`);
}
}
let student = new GraduateStudent("Jane");
student.displayGrade();
What is the console output?

  • A. Better student Jackie got 70% on test.
  • B. Graduate Student Jane got 100% on test.
  • C. Uncaught ReferenceError
  • D. Jackie got 70% on test.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

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