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Chris McCord, author of the Phoenix Framework, will soon release a new feature called LiveView: a way of making interactive apps without JavaScript. It's powered by WebSockets, morphdom

Phoenix LiveView is an exciting new library which enables rich, real-time user experiences with server-rendered HTML. LiveView powered applications are stateful on the server with bidrectional communication via WebSockets, offering a vastly simplified programming model compared to JavaScript alternatives. While modern JavaScript tooling enables sophisticated client applications, it often comes at an extreme cost in complexity and maintainability

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Phoenix is a framework written in Elixir. It's creator, Chris McCord, showcased an impressive new feature called LiveView at ElixirConf.

LiveView is an extension of standard Phoenix views that will automatically propagate updates to the browser anytime state changes that would impact that view (using the existing Phoenix channels infrastructure). Instead of sending a state change event down the wire that you have to process in JavaScript manually, LiveView sends down an updated HTML fragment, diffs it against the current DOM state, and makes the necessary mutations for you.

Here is some more background info on LiveView: https://leveljournal.com/why-phoenix-liveview-is-a-big-deal

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