2024-06-21

Writerside/topics/Iterator.md

@@ -0,0 +1,23 @@
+# Iterator
+
+```javascript
+function* myIterator(start = 0, end = Infinity, step = 1) {
+    let n = 0;
+    for (let i = start; i < end; i += step) {
+        n++;
+        yield i;
+    }
+    return n;
+}
+
+for (let item of myIterator(0, 10)) {
+    console.log(item)
+}
+
+let it = myIterator(0, 10);
+let item = it.next();
+while (!item.done) {
+    console.log(item.value);
+    item = it.next();
+}
+```