change

Description

Calculates the differences between each item in an Observable and the prior item.

Examples

import { from } from 'rxjs';
import { change } from '@bottlenose/rxstats';

const num$ = from([2, 5, 9, 16, 26]);
const change$ = num$.pipe(
  change()
);
change$.subscribe(console.log);
// Output:
// 3
// 4
// 7
// 10

API

change()

Since

0.1

Parameters

None

Options

None

Returns

Number. (The latest difference from the Observable)