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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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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam

  • This exam is offered in only English.
  • There is a time limit of 105 minutes for the exam.
  • This exam consists of 60 questions
  • The type of questions is Multiple Choice and situation-based questions.
  • Passing score 65%

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Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Server-Side JavaScript8%- Command-line tools and scripts
- Node.js fundamentals and runtime
- Module system and require/import
- Core Node.js modules
Topic 2: Debugging and Error Handling7%- Defensive programming practices
- Debugging tools and breakpoints
- Console methods and logging
- Error types and exception handling
Topic 3: Variables, Types, and Collections23%- JSON parsing and usage
- Variable declaration and initialization
- Type coercion and conversion rules
- Array methods and data manipulation
- Truthy and falsy values
- Working with strings, numbers, dates, and booleans
Topic 4: Objects, Functions, and Classes25%- Function definitions, parameters, and scope
- Modules and imports/exports
- Class syntax, inheritance, and prototypes
- Decorators and advanced function patterns
- Object creation, properties, and methods
- Closures and execution context
Topic 5: Testing7%- Code coverage and best practices
- Testing frameworks and assertions
- Unit testing concepts
- Test doubles and mocks
Topic 6: Browsers and Events17%- Document Object Model (DOM) manipulation
- Event handling, propagation, and delegation
- Window and document object properties
- Script loading and execution order
- Browser APIs and Web Storage
Topic 7: Asynchronous Programming13%- Event loop and micro/macro tasks
- Async/await syntax
- Promises and chaining
- Callbacks and callback hell
- Fetch API and HTTP requests

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