11 lines
295 B
TypeScript
11 lines
295 B
TypeScript
|
// #docregion Observable
|
||
|
|
import {Observable} from 'angular2/core';
|
||
|
|
import {map} from 'rxjs/operator/map';
|
||
|
|
|
||
|
|
var obs = new Observable(obs => {
|
||
|
|
var i = 0;
|
||
|
|
setInterval(_ => obs.next(++i), 1000);
|
||
|
|
});
|
||
|
|
map.call(obs, i => `${i} seconds elapsed`).subscribe(msg => console.log(msg));
|
||
|
|
// #enddocregion
|