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First, I'm going to assume you're talking about just the Web, and for that matter, just the Web frontend, because that is the only domain in which one can even pretend that Javascript is the "end of history". Outside of that domain Javascript remains barely a blip, Node notwithstanding. The end of Javascript dominance looks like the following:

Step 1: Ship asm.js to every browser.

Step 1.5: Do a complete job of binding asm.js to all browser features. (My impression is that right now it doesn't do DOM manipulation, for instance.)

Step 2: Define a serialization of asm.js that is more like a traditional binary bytecode.

Step 3: Everybody compiles to that bytecode. No JS is in sight. Language diaspora slowly follows. Benchmarks start flying; JS, optimized as far as it can possibly be, still can't beat out more statically typed languages, though it only matters for the most performance-sensitive applications.

This is by far the most likely outcome at the moment, in my opinion. I'm not advocating or celebrating this (or necessarily upset about it, either), just observing the current landscape.

When I talk about the "end of history", yes, the web is the correct focus to read it.

Yet, companies are demanding the devs to be more than frontend or backend devs. Look at the DevOps movement. JS allows your developers to work on both sides of the network with a single knowledge. It may become more than a blip, though I doubt it could ever takeover the backend or smartcards for instance.

So your point (correct me if I'm wrong) is that we'll be going down from JS to a lower-level paradigm, then "something" will bump and from this diaspora you're talking about, one language will prevail, I guess.

It's interesting to see JS as a high-level language that will force vendors to open VMs to allow more languages that will eventually compile to the same bytecode. Sounds very much like the "Java" part of Javascript :)

I like your perspective of viewing JS as the first native inhabitant of an island called "browser languages". Yet I'll need to think more before I can agree or disagree.

Thanks for the input!

Devops implies many things including continuous integration, continuous deployment, as well as system troubleshooting and maintenance.

For server side JS, I am curious how many who believe in Node can troubleshoot below the application layer.

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