是否有Microsoft等效的HTML5 Server-Sent Events？ [英] Is there a Microsoft equivalent for HTML5 Server-Sent Events?

问题描述

我正在使用HTML5 Server-Sent Events，如下所示：

I am using HTML5 Server-Sent Events as follows:

    SSEUpdate = new EventSource("http://example.com/update.php");
    SSEUpdate.onmessage = function(e){
      console.log(e.data);
    }

它在IE11中不起作用。 （控制台出错：'EventSource'未定义）是否有相同的Microsoft等价物，或者我必须做一些完全不同的事情？

It does not work in IE11. (Error in console: 'EventSource' is undefined) Is there an identical Microsoft equivalent, or do I have to do something completely different?

推荐答案

总之，没有。

Microsoft在任何版本中都没有包含SSE或等效的SSE IE浏览器IMO，你有两个不错的选择：

Microsoft has not included SSE or an equivalent of SSE in any version of IE. IMO, you have two good options:

1. 使用polyfill - 我的测试 IE10和IE11中的这个polyfill 都是成功的。因为它以 if（全局中的EventSource）返回; 开头，所以它只会在不支持 EventSource 。


2. 使用 websockets 而不是 - 虽然它需要更多的服务器端设置（ ws：// 协议），但它适用于IE10和11 ，并提供更多选项，如双向通信。

1. Use a polyfill - My tests with this polyfill in IE10 and IE11 were all successful. Since it starts with if ("EventSource" in global) return;, it'll only run in browsers that do not support EventSource.
2. Use websockets instead - Although it requires more server-side setup (The ws:// protocol), it works in IE10 and 11 and provides more options such as bi-directional communication.

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