Async iterator example

Author: tshemsedinov

JavaScript/h-async.js

@@ -0,0 +1,27 @@
+'use strict';
+
+const range = {
+  start: 1,
+  end: 10,
+  [Symbol.asyncIterator]() {
+    let value = this.start;
+    return {
+      next: () => Promise.resolve({
+        value,
+        done: value++ === this.end + 1
+      })
+    };
+  }
+};
+
+console.dir({
+  range,
+  names: Object.getOwnPropertyNames(range),
+  symbols: Object.getOwnPropertySymbols(range),
+});
+
+(async () => {
+  for await (const number of range) {
+    console.log(number);
+  }
+})();