> Le 9 août 2016 à 18:58, Raul-Sebastian Mihăilă <[email protected]> a
> écrit :
>
> Claude, I don't see how non-extensibility and deleting properties are
> connected.
>
The issue is not deleting per se. The issue is that a property appears to be
non-existent (because successfully deleted), and later existent again, which
should not be allowed on non-extensible objects.
—Claude
>
> ```js
> var target = Object.preventExtensions({ x: 1 })
> var proxy = new Proxy(target, {
> deleteProperty() { return true }
> })
>
> Object.isExtensible(proxy) // false
> delete proxy.x // true
> proxy.hasOwnProperty('x') // true
> ```
>
>
>
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