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RXJS - Covering The Essential Topics With Practical Examples

Learn RXJS Observables, Operators and Subjects, and implement that knowledge in practical examples.


This course will rapidly guide you to become an RXJS developer. This course is friendly to those who know nothing about RXJS. We will first thoroughly explain the essential topics and concepts of RXJS to teach you the fundamentals. We will then dive into creating more complex projects(Posts Getter, Todo List, Mouse Tracker and Text Tracker).

This course will first cover the essential topics such as:

  • Observables

  • Subjects And Behaviour Subjects

  • Difference Between Subjects And Observables

  • Essential Operators:

    1. Ajax Operator

    2. From Operator

    3. Iif Operator

    4. FromEvent Operator

    5. Count Operator

    6. Max Operator

    7. Min Operator

    8. Map Operator

    9. GroupBy Operator

    10. Reduce Operator

    11. Filter Operator

    12. First Operator

    13. Last Operator

    14. Skip Operator

    15. Throttle Operator

    16. Concat Operator

    17. Merge Operator

    18. ForkJoin Operator

    19. Tap Operator

    20. Delay Operator

    21. ToArray Operator

After covering the fundamentals, we will then go through some awesome RXJS examples:

  • Posts List:

    In this project we will be getting random posts from an API using the RXJS Ajax operator and displaying them to the user.

  • Todo List:

    In this project we will be creating a todo list that allows the user to add and remove todos.

  • Mouse Tracker:

    In this project we will be listening for mouse events from the user and getting and displaying the x and y coordinates of the click.

  • Text Tracker:

    In this project we will be getting some text from the user and we will check the amount of characters of that text and how many words it contains.

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