Salesforce JavaScript-Developer-I Q&A - in .pdf

  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Oct 03, 2026
  • Q & A: 149 Questions and Answers
  • Printable Salesforce JavaScript-Developer-I PDF Format. It is an electronic file format regardless of the operating system platform.
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Salesforce JavaScript-Developer-I Q&A - Testing Engine

  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Oct 03, 2026
  • Q & A: 149 Questions and Answers
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About Salesforce JavaScript-Developer-I Exam

How to book the Salesforce JavaScript-Developer-I Exam

There are the following steps for registering the Salesforce JavaScript Developer I exam. Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method

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Salesforce JavaScript Developer I Certification Path

You must get an idea of exactly what this certification is, before investing your valuable time, effort, or money in Salesforce. The demand and the need for Salesforce certified professionals are rapidly growing and so Salesforce JavaScript Developer I Certification is becoming more and more popular. Different types of online training sessions are provided such as Intellipaat 's online training sessions for the Salesforce JavaScript Developer I Qualification . It is instructor-led teaching by subject professionals working in major organizations. This style of training includes live sessions with the teacher, along with a forum where you can clear all your course-based doubts.

Self-paced sessions are also offered. This training mode involves pre-recorded video sessions. You can conveniently return to these talks and revisit the subjects you have skipped whether you have any difficulties with the lectures or have difficulty keeping up with the online meetings. You will also use these sessions to finish your exercise at your speed while you access these online lessons throughout your life.

What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam

  • There is a time limit of 105 minutes for the exam.
  • Passing score 65%
  • This exam is offered in only English.
  • The type of questions is Multiple Choice and situation-based questions.
  • This exam consists of 60 questions

Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101

For more info read reference:

Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources

Salesforce JavaScript-Developer-I Exam Syllabus Topics:

SectionWeightObjectives
Debugging and Error Handling7%- Error handling techniques (try/catch/finally)
- Custom error types
- Breakpoints and code inspection
- Console methods for debugging
Asynchronous Programming13%- Promises (creation, chaining, error handling)
- Event loop and execution flow
- Async/Await syntax
- Callbacks
- Asynchronous patterns for business requirements
Testing7%- Test effectiveness evaluation
- Unit testing concepts
- Writing and modifying unit tests
- Test coverage and reliability
Objects, Functions, and Classes25%- Variable scope and closures
- Function declarations and expressions
- Object creation and manipulation
- Arrow functions
- ES6 classes and inheritance
- Execution flow and context
- Modules and decorators
- Prototypal inheritance
- Higher-order functions
Browser and Events17%- Event handling and listeners
- Browser-specific APIs
- Event propagation (bubbling and capturing)
- Interacting with forms and user input
- Browser Developer Tools usage
- DOM manipulation
Server Side JavaScript8%- Package management (npm)
- Server-side JavaScript implementations
- Node.js fundamentals
- Core Node.js modules
- CLI commands
Variables, Types, and Collections23%- JSON parsing and manipulation
- Type coercion and conversion
- Arrays and collections
- Truthy and falsy evaluations
- Variable declarations and initialization
- Strings, numbers, and dates
- Primitive and complex data types

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