该计划的目标是保证兼容设备处于"内容就绪"(Content Ready)状态,即通过HDMI标准来保证高速数字连接,通过HDCP保证与受保护内容的兼容性,通过互操作性测试保证设备之间的兼容性.
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不过为了满足我们的兴趣,请参见 清单 2 的内容,其中显示了如何在 readyState 被设置为 0 时来获取这种就绪状态。
Still, in the interest of being complete, check out Listing 2 which shows how to get the ready state when it's set to 0.
文件就绪后,清单2中显示的头部将被发送,然后,您需要读取这个临时文件中的内容并输出这些内容。
When the file is ready, the same headers as in Listing 2 are sent, and then you need to read in the temporary file's contents and print them.
然而,如果您不仅仅是想了解Ajax编程的常识,而是希望了解更多内容,就需要熟悉就绪状态、状态代码和请求本身的内容。
However, you will need to be fluent in ready states, status codes, and requests if you want to do more than just dabble in Ajax programming.
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