rxjs common operators

Icon operation address

Create class operator:

• from (array),
• fromEvent（event） 、
• _of _ (a number of objects) ,
• interval ,
• timer (initial delay time, interval time);

Conversion class operator -- _map _ (conversion function) ,

• _mapTo _ (fixed value) ,
• pluck (sub-property of the converted object, grandchild property of the converted object),
• do (the operation function does not interrupt the stream),
• filter (filter operation),
• take (take the previous stream of length num) == first ()
• skip (skip the previous stream of num length)

filter operator --

• debounce(fn) 、
• debounceTime (time) All streams within the time period are filtered out, such as input search,
• distinct () deduplication of the stream, no change does not occur
• distinctUntilChanged (remove until previous change)

Merge class operator --

• merge (a,b) cross merge,
• concat (a,b), the entire paragraph merge
• startWidth (a), set the stream start value a
• combineLatest(a,b, (a,b)=>{})、
• a. withLatestFrom (b), take the latest value of the a stream as the main stream, and return an array
• zip (aligned merge)