Passing the extra parameter can increase the overhead of the function call.
传递额外的参数会增加函数调用的开销。
You can call this function by passing JSON data as a parameter.
可以将JSON数据作为参数传递，以调用该函数。
When you are passing Function as parameter, it is known as Delegate.
当你作为参数传递功能，它被称为代表。
When you are passing Function as parameter, it is known as Delegate.
当你作为参数传递功能，它被称为代表。
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