作用：空函数。参数被忽略。

Effects: Empty function. The argument is ignored.

youdao

可复用的空函数。

A reusable empty function...

youdao

其他未使用的入口点(如果有的话)自动映射到空函数，因此这里不需要使用Adapter类。

The other unused entry points, if any, are automatically mapped to empty functions, thus there is no need to use Adapter classes.

youdao

在成功完成了的请求上调用abort不起任何作用，并且仅当浏览器收到一个对旧请求的延时响应的情况下，onreadystatechange才被设置为一个空函数。

Calling abort on a successfully completed request won't do anything and onreadystatechange is set to an empty function just in case the browser gets a delayed response for an old request.

youdao

在成功完成了的请求上调用abort不起任何作用，并且仅当浏览器收到一个对旧请求的延时响应的情况下，onreadystatechange才被设置为一个空函数。

Calling abort on a successfully completed request won't do anything and onreadystatechange is set to an empty function just in case the browser gets a delayed response for an old request.

youdao