Salesforce Javascript Certification: Essential Questions for Success

Salesforce JavaScript Developer I Practice Exam

Getting Familiar with the Salesforce JavaScript Developer Certification

The Salesforce Certified JavaScript Developer I exam is designed for individuals who possess the necessary knowledge, skills, and experience in developing front-end and/or back-end JavaScript applications for the web stack. This certification is not limited to any specific framework and can be applied universally, independent of mobile or device specifications.

The certification comprises two main components, which can be pursued in any order:

  • The JavaScript Developer I proctored multiple-choice exam, focusing solely on JavaScript knowledge.
  • The Lightning Web Components Specialist superbadge, which assesses hands-on Lightning Web Component development skills.

Suitable Candidates for the Exam

The Salesforce Certified JavaScript Developer I exam targets candidates who utilize the JavaScript programming language, along with one or more frameworks, to create front-end and/or back-end applications. These individuals possess the ability to design, develop, and test solutions that are both performant and maintainable while also being reusable. They are well-versed in JavaScript-specific design patterns and can seamlessly integrate JavaScript with CSS, HTML, and other markup languages.

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This certification is highly recommended for Salesforce partners, customers, and employees who work extensively with JavaScript, possess knowledge of the Lightning Component Framework, and have experience in developing Lightning Web Components (LWCs).

Relevant Job Roles

A wide range of job roles align with the Salesforce Certified JavaScript Developer I certification. These include:

  • JavaScript programmer
  • Salesforce developer
  • Full stack developer
  • Web application developer
  • Front-end developer
  • Software/backend developer
  • Support engineer
  • Technical Product/Project Manager
  • UI/UX Engineer

Exam Breakdown

Here are the key details you need to know about the Salesforce Certified JavaScript Developer I exam:

  • Total Questions: You will face 60 multiple-choice/multiple-select questions, along with up to five non-scored questions.
  • Exam Duration: The exam has a time limit of 105 minutes.
  • Passing Score: To pass the exam, you need to achieve a minimum score of 65%.
  • Registration Fee: The registration fee for the exam is USD 200 (plus applicable taxes).
  • Retake Fee: In case you need to retake the exam, there is a fee of USD 100 (plus applicable taxes).
  • Prerequisite: There are no prerequisites for taking this certification exam.

Course Outline

The Salesforce JavaScript Developer I Exam covers the following essential domains:

Domain 1 – Understanding Variables, Types, and Collections (23%)

This domain tests your ability to create variables and initialize them accurately in various scenarios. You should be proficient in working with strings, numbers, and dates to meet specific business requirements. An understanding of type coercion, truthy or falsey evaluations, data manipulation with arrays, and operating with JSON objects is also crucial.

Domain 2 – Understanding Objects, Functions, and Classes (25%)

Domain 2 evaluates your expertise in selecting the most suitable function implementation based on given business requirements. You should be capable of applying object and class fundamentals to solve specific business problems. Familiarity with JavaScript modules and decorators, as well as the ability to analyze variable scope and execution flow, is essential.

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Domain 3 – Understanding Browser and Events (17%)

This domain focuses on your ability to utilize events, event handlers, and event propagation to fulfill specific business requirements. You should be skilled in evaluating and manipulating the Document Object Model (DOM). Additionally, familiarity with browser-specific APIs and the use of browser Dev Tools to investigate code behavior are crucial.

Domain 4 – Understanding Debugging and Error Handling (7%)

Domain 4 assesses your ability to handle errors effectively in different scenarios. You should be proficient in using the console and breakpoints for debugging purposes.

Domain 5 – Understanding Asynchronous Programming (13%)

This domain tests your knowledge of asynchronous programming concepts and your ability to apply them to real-world scenarios. You should be capable of understanding event loops, monitoring events, and determining outcomes in different scenarios.

Domain 6 – Understanding Server Side JavaScript (8%)

Domain 6 evaluates your ability to identify the most appropriate Node.js implementation for specific scenarios and requirements. You should be able to select the correct Node.js CLI command and demonstrate knowledge of core Node.js modules and relevant libraries/frameworks.

Domain 7 – Understanding Testing (7%)

Domain 7 analyzes your proficiency in evaluating existing test cases and modifying them for better effectiveness. You should be capable of identifying and rectifying shortcomings in test code and associated unit tests.

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When you choose our ProgramMatek Practice Exams, you can expect the following features and benefits:

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  • Latest Questions: We continuously update our question bank to keep up with the latest developments in the field.
  • Tips & Tricks: Benefit from valuable tips and tricks to enhance your exam preparation and improve your chances of success.
  • Unlimited Access: With our practice exams, you enjoy unlimited access so you can practice at your own pace.
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What are ProgramMatek Practice Exams?

Our practice exams have been meticulously designed by professionals and domain experts to simulate real-time exam scenarios. The questions are crafted based on the content outlined in the official Salesforce documentation. Each practice exam set contains unique questions that aim to provide you with a realistic experience and boost your confidence during exam preparation. By practicing with our exams, you can self-evaluate against the exam content and work towards building the necessary skills to clear the Salesforce Certified JavaScript Developer I exam. Additionally, you have the freedom to create custom practice exams tailored to your preferences and requirements.

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We are confident in the quality and effectiveness of our practice exams. Therefore, we offer a 100% assured test pass guarantee. When you choose ProgramMatek, you are making a commitment to your success.

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