How can we improve the Microsoft Edge developer experience?

Server-Sent Events (EventSource)

Enables push notifications from the server received as DOM events.

http://dev.w3.org/html5/eventsource/

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    Jonathan Sampson [MSFT] shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →

    88 comments

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      • Bo Lorentsen commented  ·   ·  Flag as inappropriate

        Also the polyfill needs to use XDomainRequest, and not ordinary XHR, and that is really ugly and needs a special not standard solutions on the server side (missing header support and no cookies are send).

        So, please consider proper SSE support, at least in edge !

      • Anonymous commented  ·   ·  Flag as inappropriate

        I ditched Websockets in my app because they were not reliable and just too much for my app and replaced them with SSE. I installed Windows 10 and opened my app in Ms Edge and had found that there are no EventSource object. I'm very dissapointed

      • 01es commented  ·   ·  Flag as inappropriate

        SSE is extremely important for many business use cases. Currently, we have to resort to polyfills, but would definitely like to see native support for SSE in Edge.

      • Anonymous commented  ·   ·  Flag as inappropriate

        Please add support for SSE! Otherwise Edge will be a superhero on crutches (that is, it needs polyfils to work properly).

      • Anonymous commented  ·   ·  Flag as inappropriate

        Please add SSE support: a lot of our applications use SSE and my company is telling to all clients to use other browsers.

      • Keith commented  ·   ·  Flag as inappropriate

        SSE the only thing that will help developers on shared hosting actually still be able to build great apps without long polling , something so simple can allow people who do not have vps' and fancy servers to still enhance their dev experience and user experience.

      • Phyo Arkar commented  ·   ·  Flag as inappropriate

        we had built http://phwa.be using eventsource because it is far much stable than websocket in bad connection environment and for an interactive , responsive web app like chatrooms, websocket is overkill.
        On our tests , Evensource is pure winner in
        - High latency environment
        - Ease of Development and maintenance (Evensource implementation in python/tornado is only 10 lines of code , from scratch)
        - Eventsource JavaScript API is very powerful with support for event_ids , event_types .
        So SSE is very important for Interactive web.

      • Mac Macaulay commented  ·   ·  Flag as inappropriate

        Web apps are more ubiquitous in business settings and our hospital (along with most others) are abandoning IE in favour of "more supported" browsers. Web developers are trying to leverage as many different techniques and protocols to allow data to flow from one application to the next and IE just doesn't cut it in a business setting.

        [TL:DR]
        Add SSE to Edge before we are forced to install Firefox on all 3,500+ PCs.

      • Anonymous commented  ·   ·  Flag as inappropriate

        Our web site streams Stock Market Data for Investors. Our software is totally dependent on this feature. We want to include The Edge Browser in our list of compatible browsers. Please add it !!! Thanks.

      • Christian Pino Tossi commented  ·   ·  Flag as inappropriate

        This feature is definitely a good one. It does not run into issues on the transport layer like websockets sometimes does because of proxies which do not support websockets.
        On the other hand it will be still valuable even after the introduction of HTTP/2 Server Push which does not interact with the JavaScript Runtime like SSE does.
        Would appreciate to see this to become part of the next version MS Edge.

      • Ivan Borisenko commented  ·   ·  Flag as inappropriate

        This feature is most simpler for realtime notifications than WebSockets and is designed more throughly. All support it.

      • Anonymous commented  ·   ·  Flag as inappropriate

        I really hope that this is part of the new browser. I just switched my server platform to use server sent events and have noticed a huge decrease in resources needed per client (over comet requests). I will not be installing comet handling just for Microsoft. After all the past blunders in terms of compatibility -- I really hope that they include this and get this right.

      • Ryan McDonough commented  ·   ·  Flag as inappropriate

        We've started moving to Chrome for Business because of this and keeping IE around for legacy applications.

      • Anonymous commented  ·   ·  Flag as inappropriate

        The world is doing de revolution with HTML5 but IE NOT.
        You need run to make the best IE

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