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JavaScript-Developer-I

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JavaScript-Developer-I questions

JavaScript-Developer-I

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  • Product Type: PDF + Testing Engine
  • Questions: 213 questions
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JavaScript-Developer-I

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  • Questions: 213 questions
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Salesforce Exam JavaScript-Developer-I Questions Answers Test Simulator

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JavaScript-Developer-I Exam Topics

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.

Objects, 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.

ServerSide 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.

Salesforce Developer Related Certification Exams

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