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How to Study the Salesforce JavaScript-Developer-I Exam
The best study material one can get is the JavaScript-Developer-I practice exam dumps. To ensure good grades, do attempt the JavaScript-Developer-I practice exams. The JavaScript Developer I from Salesforce typically has 1-2 years of experience as a JavaScript developer with the following JavaScript topics.
Monitor (agnostic platform)
Item Model Document
Scope of Variables
Conversion type (inclusive versus explicit)
Control of Mistake
Forms of data and operators
Functions (more functions in higher order)
Discharge
Modules
Asynchronous Programming
Activities
Classes
JavaScript on the backend
Objects & Arrays: Data Structures
Strings
To prepare for this test, we advise a combination of practical experience, completion of training courses, pathways and self-study in the areas listed in the examination outline section of this examination guide.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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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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Benefits in Obtaining Salesforce JavaScript-Developer-I Certification
With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.
The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Debugging and Error Handling | 7% | - Breakpoints and code inspection - Error handling techniques (try/catch/finally) - Console methods for debugging - Custom error types |
| Topic 2: Browser and Events | 17% | - Interacting with forms and user input - Event handling and listeners - Browser-specific APIs - Event propagation (bubbling and capturing) - DOM manipulation - Browser Developer Tools usage |
| Topic 3: Server Side JavaScript | 8% | - CLI commands - Node.js fundamentals - Server-side JavaScript implementations - Core Node.js modules - Package management (npm) |
| Topic 4: Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Async/Await syntax - Event loop and execution flow - Callbacks - Asynchronous patterns for business requirements |
| Topic 5: Objects, Functions, and Classes | 25% | - Prototypal inheritance - ES6 classes and inheritance - Object creation and manipulation - Arrow functions - Higher-order functions - Modules and decorators - Execution flow and context - Variable scope and closures - Function declarations and expressions |
| Topic 6: Testing | 7% | - Test effectiveness evaluation - Writing and modifying unit tests - Test coverage and reliability - Unit testing concepts |
| Topic 7: Variables, Types, and Collections | 23% | - Variable declarations and initialization - Strings, numbers, and dates - JSON parsing and manipulation - Truthy and falsy evaluations - Primitive and complex data types - Arrays and collections - Type coercion and conversion |
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