Created
September 28, 2017 14:27
-
-
Save joeoravec/7684aa8a85e0e6f0d06e1afc173f72a0 to your computer and use it in GitHub Desktop.
JS Bin // source http://jsbin.com/xepafat
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script src="https://unpkg.com/@reactivex/[email protected]/dist/global/Rx.js"></script> | |
| <script id="jsbin-javascript"> | |
| /* | |
| From egghead.io lesson on using forkJoin | |
| Gets array of ids from hnUrl and uses forkJoin to flatten | |
| the results from subsequest ajax requests into an | |
| array of result objects. | |
| */ | |
| 'use strict'; | |
| var _Rx = Rx; | |
| var Observable = _Rx.Observable; | |
| var hnUrl = 'https://hacker-news.firebaseio.com/v0/topstories.json'; | |
| var itemUrl = function itemUrl(id) { | |
| return 'https://hacker-news.firebaseio.com/v0/item/' + id + '.json'; | |
| }; | |
| Observable.ajax(hnUrl).map(function (data) { | |
| return data.response.slice(0, 3); | |
| }).switchMap(function (ids) { | |
| return Observable.forkJoin(ids.map(function (id) { | |
| var url = itemUrl(id); | |
| return Observable.ajax(url).map(function (e) { | |
| return e.response; | |
| }); | |
| })); | |
| }).subscribe(function (result) { | |
| return console.log(result); | |
| }); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">/* | |
| From egghead.io lesson on using forkJoin | |
| Gets array of ids from hnUrl and uses forkJoin to flatten | |
| the results from subsequest ajax requests into an | |
| array of result objects. | |
| */ | |
| const {Observable} = Rx; | |
| const hnUrl = 'https://hacker-news.firebaseio.com/v0/topstories.json'; | |
| const itemUrl = id => `https://hacker-news.firebaseio.com/v0/item/${id}.json` | |
| Observable.ajax(hnUrl).map(data => data.response.slice(0,3)) | |
| .switchMap(ids => Observable.forkJoin(ids.map(id => { | |
| const url = itemUrl(id); | |
| return Observable.ajax(url).map(e => { | |
| return e.response; | |
| }) | |
| }))) | |
| .subscribe(result => console.log(result))</script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| From egghead.io lesson on using forkJoin | |
| Gets array of ids from hnUrl and uses forkJoin to flatten | |
| the results from subsequest ajax requests into an | |
| array of result objects. | |
| */ | |
| 'use strict'; | |
| var _Rx = Rx; | |
| var Observable = _Rx.Observable; | |
| var hnUrl = 'https://hacker-news.firebaseio.com/v0/topstories.json'; | |
| var itemUrl = function itemUrl(id) { | |
| return 'https://hacker-news.firebaseio.com/v0/item/' + id + '.json'; | |
| }; | |
| Observable.ajax(hnUrl).map(function (data) { | |
| return data.response.slice(0, 3); | |
| }).switchMap(function (ids) { | |
| return Observable.forkJoin(ids.map(function (id) { | |
| var url = itemUrl(id); | |
| return Observable.ajax(url).map(function (e) { | |
| return e.response; | |
| }); | |
| })); | |
| }).subscribe(function (result) { | |
| return console.log(result); | |
| }); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment