该函数会判断元素是否已经高亮显示了类名，并根据查找结果执行添加或删除。

This function then determines if the element already has the class name highlight, and removes or adds based on its findings.

youdao

接下来的部分将介绍根据查找表和FRC 在灰度和彩色模式下的操作。

The following sections describe the operation on the gray and color mode in terms of the lookup table and FRC .

youdao

可以调用超类中的invoke方法同时检查这两者(before和after)，并根据查找结果发送before和after通知。

I can check both (before and after) by calling the invoke method in the superclass and sending before and after notifications, depending on what I find.

youdao

可以调用超类中的invoke方法同时检查这两者(before和after)，并根据查找结果发送before和after通知。

I can check both (before and after) by calling the invoke method in the superclass and sending before and after notifications, depending on what I find.

youdao