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Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources
How much Salesforce JavaScript-Developer-I Exam Cost
The price of the Salesforce JavaScript Developer I certification is $200 USD, for more information related to the Salesforce JavaScript-Developer-I Exam please visit Salesforce website.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce JavaScript-Developer-I Exam Overview:
| Certification Vendor: | Salesforce |
| Exam Name: | Salesforce Certified JavaScript Developer I |
| Exam Number: | JS-Dev-101 |
| Exam Duration: | 105 minutes |
| Exam Price: | $200 USD |
| Exam Format: | Multiple-choice, Multiple-select |
| Certificate Validity Period: | None (Credential does not expire) |
| Related Certifications: | Salesforce Certified JavaScript Developer I Credential |
| Real Exam Qty: | 60 (plus up to 5 unscored pilot questions) |
| Passing Score: | 65% |
| Available Languages: | English |
| Sample Questions: | Salesforce JavaScript-Developer-I Sample Questions |
| Exam Way: | Online (proctored via Pearson VUE) or On-site (at a Pearson VUE testing center) |
| Pre Condition: | None required. 1-2 years of JavaScript development experience (front-end and/or back-end) is strongly recommended. Note: To earn the full credential, candidates must also pass the Lightning Web Components Specialist Superbadge in addition to the JS-Dev-101 exam. |
| Official Syllabus URL: | https://trailhead.salesforce.com/en/credentials/javascriptdeveloperi |
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally) - Custom error types - Console methods for debugging - Breakpoints and code inspection |
| Topic 2: Server Side JavaScript | 8% | - Server-side JavaScript implementations - Package management (npm) - Core Node.js modules - Node.js fundamentals - CLI commands |
| Topic 3: Testing | 7% | - Writing and modifying unit tests - Unit testing concepts - Test coverage and reliability - Test effectiveness evaluation |
| Topic 4: Browser and Events | 17% | - Interacting with forms and user input - DOM manipulation - Event handling and listeners - Browser-specific APIs - Event propagation (bubbling and capturing) - Browser Developer Tools usage |
| Topic 5: Asynchronous Programming | 13% | - Asynchronous patterns for business requirements - Promises (creation, chaining, error handling) - Callbacks - Event loop and execution flow - Async/Await syntax |
| Topic 6: Variables, Types, and Collections | 23% | - Strings, numbers, and dates - Arrays and collections - JSON parsing and manipulation - Truthy and falsy evaluations - Primitive and complex data types - Variable declarations and initialization - Type coercion and conversion |
| Topic 7: Objects, Functions, and Classes | 25% | - Prototypal inheritance - Function declarations and expressions - Object creation and manipulation - ES6 classes and inheritance - Variable scope and closures - Execution flow and context - Higher-order functions - Arrow functions - Modules and decorators |
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