如果调用成功，您应该看到带有这个意思的信息，如图9所示。
If the invocation is successful, you should see a message to that effect, as shown in Figure 9.
同样，如果调用成功，上海当前的天气信息将以中文显示，如图26所示。
In the same way, if the invocation is successful, the current weather in Shanghai will be displayed in Chinese, as shown in Figure 26.
如果调用成功(返回HTTP 200)，则会调用update函数。
If the call is successful (returning an HTTP 200), the update function is called. Listing 15 USES Prototype for the Ajax call.
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