postMessage跨文档通讯
Channel Message跨通道通讯
http://lzw.me/a/html5-postmessage-post-cross-domain.html
https://developer.mozilla.org/en-US/docs/Web/API/Channel_Messaging_API/Using_channel_messaging
postMessage跨文档通讯
Channel Message跨通道通讯
http://lzw.me/a/html5-postmessage-post-cross-domain.html
https://developer.mozilla.org/en-US/docs/Web/API/Channel_Messaging_API/Using_channel_messaging