The death of JavaScript

Why do we use JS for backend apps ?
The state of frontend frameworks
The future of frontend frameworks
So the next question is...

Why do we use JS for backend apps ?

. . .

Why do we use JS for backend apps ?

CoffeeScript (2009)
JS++ (2011)
TypeScript (2012)
PureScript (2013)
Flow (2014)
JSDoc (1999 mais revient à la mode)
etc.

Why do we use JS for backend apps ?

...because of enterprise challenges, frontend/fullstack developers,

etc.

The state of frontend frameworks

The state of frontend frameworks

const Example = () => {
  const [label, setLabel] = useState("")

  const updateLabel = (event) => {
    setLabel(event.target.value)
  }

  return (
    <div>
      <input type="text" value={label} onChange={updateLabel} />
      <p>{label}</p>
    </div>
  )
}

The state of frontend frameworks

The hooks you have to use:

useCallback
useMemo
useRef
useImperativeHandle
...

The hooks you kind of want to use:

useState
useEffect

The state of frontend frameworks

Static Site Generators (Gatsby, ...)
Server Side Rendering (Next, ...)

The state of frontend frameworks

...is too much on the frontend side and not strict enough.

The futur of frontend frameworks

https://reactjs.org/blog/2020/12/21/data-fetching-with-react-server-components.html

The futur of frontend frameworks

// Example.svelte
<script>
  let label;
</script>

<div>
  <input bind:value={label} />
  <p>{label}</p>
</div>

The futur of frontend frameworks

https://svelte.dev/blog/svelte-3-rethinking-reactivity

The futur of frontend frameworks

...is compiled or run in the backend.

So the next question is...

In summary:

We compile to JavaScript anyway
We want more language features and types
We want less work done on the browser

So the next question is...

...is JavaScript the right language?

Source

https://www.swyx.io/js-third-age/

What do you think ?

The death of JavaScript

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