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With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.
The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).
Preparation Guide for Salesforce JavaScript Developer I Exam
Introduction
Salesforce is a solution for managing customer relationships that unite customers and companies. This is an interactive CRM platform that provides a single, shared view of every client in all the divisions including marketing, distribution, exchange, and operation. Provide the clients with the individual experience Salesforce demand 360 product via the Integrated CRM Platform. It delivers solid and related goods to boost marketing, revenue, exchange, operation, IT, and more. Salesforce is a digital cloud computing (SaaS) firm specializing in the management of client relationships (CRMs). There was a mistake. The app is now the number one of consumer satisfaction and allows organizations to track customer behavior, advertise to consumers, and more. Salesforce is common because it is bundled with features such as contact management, workflow development, task management, incentive monitoring, teamwork tools, customer experience tools, analytics, and interactive, smartphone dashboard.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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
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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.
The influx of practice materials into the market makes exam candidates feel confused to make choices toward exam practice materials, however, a useless product is just a waste of time and money and of little use to exam, and you have to admit that most of them are superfluous and full of knowledge that the real JavaScript-Developer-I practice exam do not test. Our JavaScript-Developer-I practice materials which undergo all these years of fluctuation have been rewarded with definitive and high efficient reputation among the market all these years. Here is a recapitulation of our JavaScript-Developer-I practice materials.
| 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) |
| Variables, Types, and Collections | 23% | - Primitive and complex data types - JSON parsing and manipulation - Variable declarations and initialization - Strings, numbers, and dates - Truthy and falsy evaluations - Type coercion and conversion - Arrays and collections |
| Testing | 7% | - Writing and modifying unit tests - Unit testing concepts - Test coverage and reliability - Test effectiveness evaluation |
| Browser and Events | 17% | - Event propagation (bubbling and capturing) - Interacting with forms and user input - Browser Developer Tools usage - DOM manipulation - Browser-specific APIs - Event handling and listeners |
| Objects, Functions, and Classes | 25% | - Execution flow and context - Function declarations and expressions - Variable scope and closures - Arrow functions - Higher-order functions - Prototypal inheritance - ES6 classes and inheritance - Modules and decorators - Object creation and manipulation |
| Asynchronous Programming | 13% | - Callbacks - Async/Await syntax - Promises (creation, chaining, error handling) - Asynchronous patterns for business requirements - Event loop and execution flow |
| Server Side JavaScript | 8% | - Package management (npm) - Core Node.js modules - Server-side JavaScript implementations - CLI commands - Node.js fundamentals |
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