RxJS Basics icon RxJS Basics

47 lessons 4 hours

This comprehensive course takes you on a journey through the RxJS library, unveiling the many benefits of reactive programming. Explore common practices, learn Observables, Observers, Subjects, Subscriptions, Operators and much more.

Online Course with Brian Troncone

Author: Brian Troncone

Play Angular featured video The Missing Introduction to RxJS 06:39

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Getting Started with RxJS

7 lessons

  • The Missing Introduction to RxJS

  • Configuring your project to use RxJS

  • Create your first observable

  • Understanding observers, partial observers, and subscribers

  • Deliver values asynchronously with observables

  • Manage observable subscriptions with unsubscribe

  • Introduction recap and what’s next


Creation Operators

6 lessons

  • Introduction to creation operators

  • Create observables from DOM events using fromEvent

  • Create observables from static values using of

  • Turn arrays, iterators, and promises into observables using from

  • Emit items based on a duration with interval and timer

  • Creation operators recap and what’s next


Getting Started with Operators

9 lessons

  • Introduction to operators

  • Introduction to marble diagrams

  • Transform streams using map, pluck, and mapTo

  • Ignore unneeded values with filter

  • Lab 1. Create a scroll progress bar with fromEvent and map

  • Accumulate data over time using reduce

  • Manage state changes incrementally with scan

  • Lab 2. Create a countdown timer using fromEvent, map, and scan

  • Debug your observable streams with tap


Filtering Operators

5 lessons

  • Introduction to filtering operators

  • Emit a set number of values from a stream with take

  • Complete a stream when a condition is met with takeWhile

  • Complete a stream based on another stream using takeUntil

  • Ignore non unique values using distinctUntilChanged


Rate Limiting Operators

5 lessons

  • Introduction to rate limiting operators

  • Take the latest value after a pause debounceTime

  • Ignore values during windows using throttleTime

  • Sample a stream on a uniform duration using sampleTime

  • Audit a stream for a duration after an event occurs using auditTime


Transformation Operators

8 lessons

  • Introduction to transformation operators

  • What’s a flattening operator?

  • Flatten inner observables as they occur with mergeMap

  • Switch to a new observable on emissions using switchMap

  • Subscribe to observables in order with concatMap

  • Ignore emissions when an inner observable is active with exhaustMap

  • Catch errors on observables with catchError

  • Lab 3. Create an HTTP polling solution


Combination Operators

7 lessons

  • Introduction to combination operators

  • Append values to a stream using startWith and endWith

  • Queue observable execution using concat

  • Combine multiple active observables using merge

  • Receive the latest values from multiple observables on emissions using combineLatest

  • Receive the latest value from multiple observable on completion with forkJoin

  • Lab 4. Create a Mortgage Calculator


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RxJS Kickstart Bundle

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4 hours 61 lessons

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