About cross-domain limitation, the cross Document Messaging API is interesting to allow cross-origin communication but the developer as to be very careful using it and ensure security at all time.
至于跨域的限制，跨文档进行消息传输的API非常有趣的允许跨源(cross -origin)通信，但是开发者需要非常小心的使用它，在任何时候确保安全性。
About cross-domain limitation, the cross Document Messaging API is interesting to allow cross-origin communication but the developer as to be very careful using it and ensure security at all time.
至于跨域的限制，跨文档进行消息传输的API非常有趣的允许跨源(cross -origin)通信，但是开发者需要非常小心的使用它，在任何时候确保安全性。
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