CERTIFIED JAVASCRIPT DEVELOPER I STUDY GUIDE

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 array
Given a JSON response, demonstrate how to operate the JSON object.

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

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.

Given a scenario, apply asynchronous programming concepts.
Given a scenario, use event loop and event monitor or determine loop outcomes.

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 fittin

With a block of code and the associated Unit Test, determine where the test is ineffective and modify it to make it more effective.