块作用域 meaning in English
block scope
Examples
- Returns null if called outside the scope of a catch block
如果在catch块作用域以外调用，则返回null 。 - Error message may be called anywhere within the scope of a catch block
Error _ message可以在catch块作用域内的任意位置调用。 - Error information can be retrieved by using these functions from anywhere within the scope of the catch block
可以从catch块作用域内的任何位置使用这些函数检索错误消息。 - In nested catch blocks , error line returns the error line number specific to the scope of the catch block in which it is referenced
在嵌套catch块中， error _ line返回特定于引用它的catch块作用域的错误行号。 - In nested catch blocks , error number returns the error number specific to the scope of the catch block in which it is referenced
在嵌套的catch块中， error _ number返回特定于其被引用的catch块作用域的错误号。