Create 迭代器辅助方法.js

Author: lijinke666

迭代器辅助方法.js

@@ -0,0 +1,8 @@
+const arr = ['a', '', 'b', '', 'c', '', 'd', '', 'e'];
+
+ arr.values() // creates an iterator
+    .filter(x => x.length > 0)
+    .drop(1)
+    .take(3)
+    .map(x => `=${x}=`)
+    .toArray()