Examples for for..of and spread

tshemsedinov · tshemsedinov · commit 801b5e3ca0d6 · 2019-03-03T23:29:08.000+02:00
diff --git a/JavaScript/d-for-of.js b/JavaScript/d-for-of.js
@@ -0,0 +1,15 @@
+'use strict';
+
+function* ids(...args) {
+  let i = 0;
+  while (args.length > i) {
+    const id = args[i++];
+    if (id === undefined) return -1;
+    yield id;
+  }
+}
+
+const id = ids(1011, 1078, 1292, 1731, undefined, 1501, 1550);
+for (const val of id) {
+  console.log({ val });
+}
diff --git a/JavaScript/e-spread.js b/JavaScript/e-spread.js
@@ -0,0 +1,13 @@
+'use strict';
+
+function* ids(...args) {
+  let i = 0;
+  while (args.length > i) {
+    const id = args[i++];
+    if (id === undefined) return -1;
+    yield id;
+  }
+}
+
+const id = ids(1011, 1078, 1292, 1731, undefined, 1501, 1550);
+console.log([...id]);
