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Salesforce JavaScript-Developer-I exam is a multiple-choice exam that consists of 60 questions. The time limit for the exam is 105 minutes, and candidates must score at least 68% to pass. JavaScript-Developer-I-JPN exam is available in English, Japanese, and Spanish, and it is proctored online.
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Salesforce Certified JavaScript Developer I certification is an essential certification for developers who want to demonstrate their knowledge and skills in JavaScript programming language and its integration with Salesforce. Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) certification exam is challenging but rewarding, and passing it demonstrates the candidate's proficiency in developing custom applications on the Salesforce platform.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Upon passing the Salesforce JavaScript-Developer-I Exam, candidates will receive a Salesforce Certified JavaScript Developer I certification. Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) certification serves as a validation of the candidate's expertise in developing custom applications on the Salesforce platform using JavaScript. It also demonstrates their ability to implement best practices and design patterns in JavaScript development. Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) certification is recognized globally and can lead to new career opportunities in Salesforce development.
Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Server Side JavaScript | 8% | - Package management (npm) - CLI commands - Server-side JavaScript implementations - Core Node.js modules - Node.js fundamentals |
| Topic 2: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally) - Console methods for debugging - Breakpoints and code inspection - Custom error types |
| Topic 3: Objects, Functions, and Classes | 25% | - Arrow functions - Modules and decorators - Object creation and manipulation - Higher-order functions - Function declarations and expressions - ES6 classes and inheritance - Variable scope and closures - Execution flow and context - Prototypal inheritance |
| Topic 4: Browser and Events | 17% | - Event handling and listeners - Interacting with forms and user input - Browser Developer Tools usage - DOM manipulation - Browser-specific APIs - Event propagation (bubbling and capturing) |
| Topic 5: Variables, Types, and Collections | 23% | - Primitive and complex data types - Arrays and collections - Variable declarations and initialization - Strings, numbers, and dates - Type coercion and conversion - JSON parsing and manipulation - Truthy and falsy evaluations |
| Topic 6: Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Callbacks - Event loop and execution flow - Asynchronous patterns for business requirements - Async/Await syntax |
| Topic 7: Testing | 7% | - Test effectiveness evaluation - Writing and modifying unit tests - Unit testing concepts - Test coverage and reliability |
