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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).
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:
Salesforce JavaScript Developer roles are in great demand nowadays. The average salaries of Salesforce JavaScript Developer I exam Certified professional in:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Variables, Types, and Collections | 23% | - Strings, numbers, and dates - Arrays and collections - JSON parsing and manipulation - Primitive and complex data types - Variable declarations and initialization - Truthy and falsy evaluations - Type coercion and conversion |
| Topic 2: Asynchronous Programming | 13% | - Event loop and execution flow - Callbacks - Promises (creation, chaining, error handling) - Async/Await syntax - Asynchronous patterns for business requirements |
| Topic 3: Objects, Functions, and Classes | 25% | - Higher-order functions - Object creation and manipulation - ES6 classes and inheritance - Prototypal inheritance - Variable scope and closures - Execution flow and context - Arrow functions - Function declarations and expressions - Modules and decorators |
| Topic 4: Debugging and Error Handling | 7% | - Custom error types - Console methods for debugging - Breakpoints and code inspection - Error handling techniques (try/catch/finally) |
| Topic 5: Testing | 7% | - Test coverage and reliability - Test effectiveness evaluation - Unit testing concepts - Writing and modifying unit tests |
| Topic 6: Server Side JavaScript | 8% | - Node.js fundamentals - Core Node.js modules - CLI commands - Package management (npm) - Server-side JavaScript implementations |
| Topic 7: Browser and Events | 17% | - Interacting with forms and user input - Event propagation (bubbling and capturing) - Event handling and listeners - Browser-specific APIs - DOM manipulation - Browser Developer Tools usage |
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