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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
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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The credential Salesforce Accredited JavaScript Developer I is meant for applicants who build JavaScript applications for the web stack on the front-end and/or back-end.This validates both key JavaScript expertise and functional skills for applicants, for example, Lightning Components Platform, and Lightning Web Component technology relevant to JavaScript. Lightning web elements are personalised HTML elements that are designed with traditional HTML and modern JavaScript.
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| Section | Weight | Objectives |
|---|---|---|
| Variables, Types, and Collections | 23% | - Variable declarations and initialization - Truthy and falsy evaluations - Arrays and collections - Type coercion and conversion - JSON parsing and manipulation - Primitive and complex data types - Strings, numbers, and dates |
| Testing | 7% | - Test coverage and reliability - Unit testing concepts - Writing and modifying unit tests - Test effectiveness evaluation |
| Server Side JavaScript | 8% | - Core Node.js modules - Package management (npm) - CLI commands - Server-side JavaScript implementations - Node.js fundamentals |
| Objects, Functions, and Classes | 25% | - Execution flow and context - Function declarations and expressions - ES6 classes and inheritance - Higher-order functions - Modules and decorators - Variable scope and closures - Object creation and manipulation - Prototypal inheritance - Arrow functions |
| Asynchronous Programming | 13% | - Callbacks - Async/Await syntax - Asynchronous patterns for business requirements - Event loop and execution flow - Promises (creation, chaining, error handling) |
| Browser and Events | 17% | - Browser Developer Tools usage - Interacting with forms and user input - DOM manipulation - Browser-specific APIs - Event propagation (bubbling and capturing) - Event handling and listeners |
| Debugging and Error Handling | 7% | - Breakpoints and code inspection - Custom error types - Error handling techniques (try/catch/finally) - Console methods for debugging |
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