a todo

Author: hjwp

chapter_16_javascript.asciidoc

@@ -303,6 +303,8 @@ QUnit.test("smoke test", function (assert) {
 ====
 //ch14l006
 
+// TODO: is:visible  can be replace by checkVisibility: https://stackoverflow.com/a/72717388/366221
+
 <1> The `<form>` and its contents are there to represent what will be
     on the real list page.