RxJs for beginners #1 Observable

What should you have to start:

  • Basic experience in Javascript;
  • Code editor, I recommend you to use stackblitz online code editor, there are already preset for rxjs;

Observable

Observer contains 3 methods:

  • next — send a message any type (string, array, object …);
  • error — send an error message (!!! after you call error, you Observable will stop sending any message);
  • complete — send a complete message (!!! after you call error, you Observable will stop sending any message);

Memory leaks

Observable Real-life example

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