清单1相当简单；清单4稍微有点复杂，但是它们在开始时都要检查就绪状态，并获取responsetext属性的值。

Listing 1 is fairly simple; Listing 4 is a little more complicated, but to begin, both check the ready state and then grab the value (or values) in the responseText property.

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在很多Ajax应用程序中，您将看到一个回调函数，它负责检查就绪状态，然后继续利用从服务器响应中返回的数据，如清单6所示。

In many Ajax applications, you'll see a callback function that checks for a ready state and then goes on to work with the data from the server response, as in Listing 6.

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如果您得到一个声明SOL尚未就绪的错误消息，请检查SOL的状态。

If you receive an error message saying that SOL is not ready, please check the SOL state.

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