filter - index filtering

RxJS 5 filter

by Huy Le

HTML

<script src="https://npmcdn.com/@reactivex/[email protected]/dist/global/Rx.umd.js"></script>

JavaScript

//emit every second
const source = Rx.Observable.interval(1000);
//filter out all values until interval is greater than 5
const example = source.filter(num => num > 5);
/*
  "Number greater than 5: 6"
  "Number greater than 5: 7"
  "Number greater than 5: 8"
  "Number greater than 5: 9"
*/
const subscribe = example.subscribe(val => console.log(`Number greater than 5: ${val}`));