JavaScript-Developer-I日本語 PDF Practice Q&A's
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- Total Questions: 149
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Salesforce JavaScript Developer I Certification Path
You must get an idea of exactly what this certification is, before investing your valuable time, effort, or money in Salesforce. The demand and the need for Salesforce certified professionals are rapidly growing and so Salesforce JavaScript Developer I Certification is becoming more and more popular. Different types of online training sessions are provided such as Intellipaat 's online training sessions for the Salesforce JavaScript Developer I Qualification . It is instructor-led teaching by subject professionals working in major organizations. This style of training includes live sessions with the teacher, along with a forum where you can clear all your course-based doubts.
Self-paced sessions are also offered. This training mode involves pre-recorded video sessions. You can conveniently return to these talks and revisit the subjects you have skipped whether you have any difficulties with the lectures or have difficulty keeping up with the online meetings. You will also use these sessions to finish your exercise at your speed while you access these online lessons throughout your life.
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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.
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Topics of Salesforce JavaScript Developer I Exam
Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts Salesforce JavaScript-Developer-I exam will include the following topics:
1. Variable, Types, and Collection: 23%
Scenario based coding Variables Creation and Initialization JSON object understanding
2. Object, Functions, and Classes: 25%
Implementation of different functions Understanding of different modules of Javascript Scope of variables and their execution flow
3. Browser and Events: 17%
Handling and propagation of events Development tools of browsers Understanding of browser specific APIs
4. Asynchronous Programming: 13%
Asynchrounous programming different concepts Monitoring and management of different loops
5. Server Side Javascript: 8%
Implementation of Node.js Understanding of Node.js CLI commands
6. Testing: 7%
Unit Testing effectiveness of different tests
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Debugging and Error Handling | 7% | - Custom error types - Breakpoints and code inspection - Console methods for debugging - Error handling techniques (try/catch/finally) |
| Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Event loop and execution flow - Callbacks - Asynchronous patterns for business requirements - Async/Await syntax |
| Browser and Events | 17% | - Browser Developer Tools usage - Browser-specific APIs - DOM manipulation - Interacting with forms and user input - Event handling and listeners - Event propagation (bubbling and capturing) |
| Variables, Types, and Collections | 23% | - Arrays and collections - JSON parsing and manipulation - Strings, numbers, and dates - Primitive and complex data types - Variable declarations and initialization - Type coercion and conversion - Truthy and falsy evaluations |
| Objects, Functions, and Classes | 25% | - Function declarations and expressions - Higher-order functions - Arrow functions - Modules and decorators - Execution flow and context - Prototypal inheritance - Object creation and manipulation - Variable scope and closures - ES6 classes and inheritance |
| Server Side JavaScript | 8% | - Server-side JavaScript implementations - Package management (npm) - Node.js fundamentals - Core Node.js modules - CLI commands |
| Testing | 7% | - Test coverage and reliability - Writing and modifying unit tests - Unit testing concepts - Test effectiveness evaluation |
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