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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.
The Salesforce JavaScript Developer I certification requires two parts: the multiple-choice test given by the JavaScript Developer I and the Superbadge Lightning Web Components. In any order, all these credentials can be accessed. A Salesforce Certified Javascript Developer I certification is immediately obtained by adding these two certificates. The qualification applicant for Salesforce JavaScript Accredited Developer I will use the JavaScript language to build front-end or back-end software in one or more frameworks. The applicant will plan, build and evaluate effective , safe and reusable solutions.
The candidate can use JavaScript-specific programming style patterns and can use CSS , HTML, and other languages for integrating JavaScript. With Lightning Web Components, any JavaScript developer can build on Salesforce easily. This means that millions of JavaScript developers around the world will code on Salesforce without learning anything new. Developers can create and deploy brand-new fast apps on Salesforce using the current Lightning Platform development services portfolio and the modern JavaScript language. Salesforce JavaScript Developer I Certificate from Salesforce is designed to help Salesforce partners, customers and employees working on JavaScript as well as the Lightning Component Platform, know-how and knowledge and creation of Lightning web components (LWC's).
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Preparation Guide for Salesforce JavaScript Developer I Exam
Introduction
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Objects, Functions, and Classes | 25% | - Modules and decorators - Function declarations and expressions - Object creation and manipulation - Execution flow and context - ES6 classes and inheritance - Variable scope and closures - Prototypal inheritance - Higher-order functions - Arrow functions |
| Topic 2: Asynchronous Programming | 13% | - Callbacks - Promises (creation, chaining, error handling) - Asynchronous patterns for business requirements - Async/Await syntax - Event loop and execution flow |
| Topic 3: Browser and Events | 17% | - DOM manipulation - Interacting with forms and user input - Event propagation (bubbling and capturing) - Browser-specific APIs - Browser Developer Tools usage - Event handling and listeners |
| Topic 4: Variables, Types, and Collections | 23% | - Variable declarations and initialization - Strings, numbers, and dates - Primitive and complex data types - JSON parsing and manipulation - Type coercion and conversion - Truthy and falsy evaluations - Arrays and collections |
| Topic 5: Testing | 7% | - Test effectiveness evaluation - Test coverage and reliability - Unit testing concepts - Writing and modifying unit tests |
| Topic 6: Server Side JavaScript | 8% | - Core Node.js modules - Node.js fundamentals - Server-side JavaScript implementations - Package management (npm) - CLI commands |
| Topic 7: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally) - Breakpoints and code inspection - Custom error types - Console methods for debugging |
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B2B Commerce for Developers Accredited Professional
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