angular-cn/modules/angular2/examples/facade/ts/async/observable_patched.ts

11 lines
282 B
TypeScript

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