Salesforce Certified Javascript Developer I Exam: Comprehensive Study Guide 2023 (Online Access Included)

Congratulations on taking the next step to prepare for your Salesforce Certified Javascript Developer I credential. This exam guide has the information you need to help you study and prepare for your exam.

Welcome to our ebook, "Salesforce Certified Javascript Developer I". This resource has been meticulously crafted to provide a comprehensive guide for those who are aspiring to take a significant step in their Salesforce career.

Exam outline
The Salesforce JavaScript Developer I Multiple-Choice exam measures a candidate’s knowledge and skills related to the following sections and objectives.

Variables, Types, and Collections: 23%
• Given a scenario, write code to create variables and initialize them correctly.
• Given a business requirement, utilize strings, numbers, and dates effectively.
• Given a scenario or example, demonstrate awareness of type coercion and its effects.
• Given a specific scenario, distinguish truthy or falsey evaluations.
• Given a list of data, demonstrate data manipulation with arrays.
• Given a JSON response, demonstrate how to operate the JSON object.

Object, Functions, and Classes: 25%
• Given a business requirement, locate the best function implementation.
• Given a business requirement, apply fundamentals of object implementation to solve the business requirement.
• Given a business requirement, apply fundamentals of class implementation to solve the business requirement.
• Given a JavaScript module, give examples of how to use the module.
• Given a JavaScript decorator, give examples of how to use the decorator.
• Given a block of code, analyze the variable scope and the execution flow.

Browser and Events: 17%
•Given a business requirement, utilize Events, event handlers and propagation.
• Given a business requirement, evaluate and manipulate the DOM.
• Given a scenario, utilize the Browser Dev Tools to investigate code behavior.
• Given a scenario and requirements, utilize browser specific APIs.

Debugging and Error Handling: 7%
• Given a scenario, handle errors properly.
• Given code to be debugged, use the console and breakpoints.
Asynchronous Programming: 13%
• Given a scenario, apply asynchronous programming concepts.
• Given a scenario, use event loop and event monitor or determine loop outcomes.
Server Side JavaScript: 8%
• Given a scenario and requirements, infer which Node.js implementation is a good solution.
• Given a scenario and requirements, infer which Node.js CLI command is a good solution.
• Know the core Node.js modules and given requirements, infer which Node.js library/framework is a good solution.
• Given a scenario and requirements, distinguish which Node.Js Package Management solution is the most fitting.
Testing: 7%
• With a block of code and the associated Unit Test, determine where the test is ineffective and modify it to make it more effective.

This ebook covers all these areas in detail. We delve deep into each topic, breaking down complex concepts into comprehensible nuggets. We also provide practical examples and scenarios to aid your understanding and prepare you for the type of questions you might encounter in the exam.