An overview of important operators in RxJS

• take(): Emits only the number of values specified
• distinct(): distini
• distinctUntilChanged:
• skip(): skip the number of values specified
• takeLast(): Put only a certain number
• tap(): Doesn't do anything to the data, but useful for debugging. It can be used to run side effects like console logs

filter:

fruits.pipe(

filter(fruit => fruit === "banana" || fruit === "apple")

).subscribe(fruit => toConveyorBelt(fruit));

map:

fruits.pipe(

map(fruit => fruit.replace("dirty-", ""))

).subscribe(fruit => toConveyorBelt(fruit));