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  • Total Questions: 149
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Difficulty in Writing of Salesforce JavaScript-Developer-I Exam

As Javascript development observed in nearly all organizations, Salesforce JavaScript-Developer-I is the most successful qualification candidates can get on their resume. Professionals have therefore been known to demonstrate concern. But this JavaScript-Developer-I can be very easy to clear if practitioners study with JavaScript-Developer-I exam dumps and then take the JavaScript-Developer-I practice exams. However, with accurate focusing and proper planning content, candidates will clear the test. With the aid of these materials, aspirants get reasonable idea about the kind of questions they pose in actual certification, the certification questions provides the most-represented JavaScript-Developer-I practice exams. The Salesforce experts check Pass4Leader JavaScript-Developer-I exam dumps. Certification questions also include a test for practise and is an ideal forum for checking the information achieved.

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Who should take the Salesforce JavaScript-Developer-I Exam

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:

  • JavaScript programmer
  • UI/UX Engineer
  • Support engineer
  • Technical Project Manager
  • Salesforce developer
  • Full stack developer
  • Front end developer
  • Software/backend developer
  • Web application developer
  • Technical Product Manager

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Introduction to Salesforce JavaScript Developer I Exam

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

Average Salary for Salesforce JavaScript-Developer-I Exam Certified Professional

Salesforce JavaScript Developer roles are in great demand nowadays. The average salaries of Salesforce JavaScript Developer I exam Certified professional in:

  • Europe - 63,500 Euro
  • United State - 129,630 USD
  • England - 60,200 POUND

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

SectionWeightObjectives
Topic 1: Objects, Functions, and Classes25%- Object creation and manipulation
- Arrow functions
- Function declarations and expressions
- Modules and decorators
- ES6 classes and inheritance
- Prototypal inheritance
- Variable scope and closures
- Execution flow and context
- Higher-order functions
Topic 2: Browser and Events17%- Event propagation (bubbling and capturing)
- DOM manipulation
- Interacting with forms and user input
- Event handling and listeners
- Browser-specific APIs
- Browser Developer Tools usage
Topic 3: Variables, Types, and Collections23%- Strings, numbers, and dates
- Truthy and falsy evaluations
- Variable declarations and initialization
- Arrays and collections
- Primitive and complex data types
- JSON parsing and manipulation
- Type coercion and conversion
Topic 4: Debugging and Error Handling7%- Custom error types
- Breakpoints and code inspection
- Error handling techniques (try/catch/finally)
- Console methods for debugging
Topic 5: Server Side JavaScript8%- Core Node.js modules
- CLI commands
- Node.js fundamentals
- Server-side JavaScript implementations
- Package management (npm)
Topic 6: Testing7%- Writing and modifying unit tests
- Test effectiveness evaluation
- Test coverage and reliability
- Unit testing concepts
Topic 7: Asynchronous Programming13%- Asynchronous patterns for business requirements
- Event loop and execution flow
- Callbacks
- Promises (creation, chaining, error handling)
- Async/Await syntax

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