您的代码中有一些无效字符，如果您使用适当的文本编辑器，则会看到它们.行号有些偏离，但这显然是原因.

There are some invalid characters in your code, if you used proper text editor, you'd see them. The line numbering is a bit off, but this is clearly the cause.

以下是Sublime Text的屏幕截图:

Here's a screenshot from Sublime Text:

它是\uFFFC，更多信息此处.

只需删除它们(看不到它们，因此将所有内容从分号删除到下一个test().

Just delete them (they can't be seen, so delete all from the semicolon to the next test().