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Salesforce JavaScript Developer roles are in great demand nowadays. The average salaries of Salesforce JavaScript Developer I exam Certified professional in:
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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
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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:
In IT industry or to IT practitioner, Salesforce Developer JavaScript-Developer-I certification is much more than a piece of paper. When an IT corporation recruits professional employees, they must hope the employee is skillful and professional enough to contribute to a smooth operation with low-risk and more benefits. Increasingly, Salesforce Developer JavaScript-Developer-I exam certification is playing an important role in the IT industry, and drives tangible benefits for the owner and company. A person certified by JavaScript-Developer-I certification can mitigate risk by completing more projects on time and within budget and understand the software inside and out, which leads to higher user acceptance and creates more profits. So if you have gained the Salesforce Developer JavaScript-Developer-I certification (Salesforce Certified JavaScript Developer (JS-Dev-101)), you may have chance to enter into a big IT company, and you will get a rich reward along with a higher positions when you create value for the company. Everyone wants to build a better life and have bright future, so it is natural to chase after JavaScript-Developer-I certification. But the people around you may try to attend the JavaScript-Developer-I actual exam for several times and fail all the time. Do not be afraid, although it is hard to pass, there is always ways to overcome and get success. Here, you can get some reference for your JavaScript-Developer-I exam preparation.
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| Section | Weight | Objectives |
|---|---|---|
| Variables, Types, and Collections | 23% | - Truthy and falsy values - JSON parsing and usage - Working with strings, numbers, dates, and booleans - Type coercion and conversion rules - Array methods and data manipulation - Variable declaration and initialization |
| Debugging and Error Handling | 7% | - Defensive programming practices - Console methods and logging - Debugging tools and breakpoints - Error types and exception handling |
| Server-Side JavaScript | 8% | - Module system and require/import - Node.js fundamentals and runtime - Command-line tools and scripts - Core Node.js modules |
| Testing | 7% | - Testing frameworks and assertions - Code coverage and best practices - Unit testing concepts - Test doubles and mocks |
| Browsers and Events | 17% | - Document Object Model (DOM) manipulation - Window and document object properties - Event handling, propagation, and delegation - Script loading and execution order - Browser APIs and Web Storage |
| Asynchronous Programming | 13% | - Fetch API and HTTP requests - Async/await syntax - Event loop and micro/macro tasks - Callbacks and callback hell - Promises and chaining |
| Objects, Functions, and Classes | 25% | - Closures and execution context - Function definitions, parameters, and scope - Object creation, properties, and methods - Decorators and advanced function patterns - Modules and imports/exports - Class syntax, inheritance, and prototypes |
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