Add Promise.all and Promise.race examples

tshemsedinov · tshemsedinov · commit 0a5b1d866917 · 2018-12-04T23:01:47.000+02:00
diff --git a/JavaScript/8-all.js b/JavaScript/8-all.js
@@ -0,0 +1,19 @@
+'use strict';
+
+const fetch = require('./6-fetch.js');
+
+const baseUrl = 'http://localhost:3000/';
+
+const promises = [
+  fetch(baseUrl + '/person'),
+  fetch(baseUrl + '/'),
+  fetch(baseUrl + '/city')
+];
+
+Promise.all(promises)
+  .then(values => {
+    console.log(values);
+  })
+  .catch(err => {
+    console.log(err);
+  });
diff --git a/JavaScript/9-race.js b/JavaScript/9-race.js
@@ -0,0 +1,19 @@
+'use strict';
+
+const fetch = require('./6-fetch.js');
+
+const baseUrl = 'http://localhost:3000/';
+
+const promises = [
+  fetch(baseUrl + '/person'),
+  fetch(baseUrl + '/'),
+  fetch(baseUrl + '/city')
+];
+
+Promise.race(promises)
+  .then(res => {
+    console.log(res);
+  })
+  .catch(err => {
+    console.log(err);
+  });
