JavaScript for Node-RED Practice Exam

JavaScript for Node-RED Practice Exam

About JavaScript for Node-RED Exam

JavaScript is an essential language for customizing and enhancing Node-RED workflows, which are widely used in industrial automation, IoT systems, and other connected applications. This course focuses on teaching JavaScript concepts tailored specifically for Node-RED users. From understanding variables, operators, and data types to working with complex arrays, objects, and logic statements, the course provides practical knowledge to help you create powerful and efficient Node-RED flows. Through project-based learning, you’ll build a strong foundation and apply JavaScript concepts to real-world scenarios, optimizing your Node-RED workflows with confidence.

Skills Required

• Basic understanding of Node-RED workflows.
• No prior JavaScript experience is needed.

Knowledge Area

This course will give you expertise in:

• JavaScript fundamentals, including variables, functions, and data types.
• Creating and manipulating arrays and objects.
• Integrating external libraries and systems into Node-RED flows.
• Debugging, optimizing, and building efficient Node-RED workflows.
• Applying JavaScript in industrial automation and IoT scenarios.

Who Should Take This Course?

• Developers interested in industrial automation and IoT systems.
• Node-RED users who want to enhance their workflows with JavaScript.
• Beginners in programming who are eager to learn JavaScript through practical examples.
• Experienced developers seeking to apply JavaScript in Node-RED projects.

Course Outline

The JavaScript for Node-RED Exam covers the following topics - 

Domain 1 - Introduction to the Course

• Learn about the course structure and what to expect.
• Understand how JavaScript is applied in Node-RED workflows.

Domain 2 - Variables and Operators

• Explore functions like Math.random() and Math.floor() to generate random values.
• Learn how to declare variables using var, let, and const.
• Understand string usage and when to use double or single quotes.
• Dive into data types such as numbers, booleans, undefined, and null.
• Explore the typeof operator and data type conversions.
• Master arithmetic and logical operators.
• Apply these concepts in Project 1, a practical task to reinforce learning.

Domain 3 - Arrays

• Learn what arrays are and explore their properties.
• Work on Project Work to practice array basics.
• Master array methods, including sorting strings and numbers.
• Learn how to find minimum and maximum values in arrays.
• Tackle challenges such as implementing LIFO (Last In First Out) and FIFO (First In First Out).
• Explore multi-dimensional arrays and their applications.
• Complete projects on object storage and retrieval using single and multi-dimensional arrays.

Domain 4 - Objects

• Understand the concept of objects and their structure.
• Apply this knowledge in Project 1, a practical example of working with objects.
• Learn about nested objects and arrays and apply them in Project 3.

Domain 5 - Logic Statements

• Introduction to conditional statements like if-else.
• Explore the else if statement with practical examples.
• Work on Project Work to solidify understanding of logic.
• Learn to use conditional (ternary) operators for simpler logic.
• Understand and apply the switch statement.
• Test your knowledge with Project 2, a logic-based challenge.

Domain 6 - Loops

• Master different types of loops, including while and do-while.
• Practice loop usage with Project 1.
• Learn about the for loop and work on Project 2.
• Understand how to use break and continue statements and apply them in Project 3.
• Dive into advanced concepts like for-in and for-of loops.
• Convert objects to arrays and use nested loops for complex tasks.
• Practice these skills through exercises and real-world examples.

Domain 7 - Functions

• Get introduced to functions and how to write them.
• Learn about function parameters, arguments, and parameter validation.
• Create random number generators using functions in Project 1.
• Work on Project 2, which involves building an Automated Storage and Retrieval System (ASRS) in multiple tasks.
• Explore advanced concepts like arrow functions, return values, and variable scope.
• Learn about nested functions and apply them in Project 3.

Domain 8 - Built-in JavaScript Methods

• Understand number manipulation using methods like parseInt and parseFloat.
• Learn advanced array and string methods with practical exercises.
• Explore number methods to handle mathematical calculations.
• Master math methods for finding maximum and minimum values, power, and square root.
• Work with date methods for handling and formatting dates efficiently.