WIth great power comes great responsibility.
The bottom line is, I'd say AS3 has it's strengths and weaknesses, but
JavaScript is a far more expressive and powerful language.
Overwriting Classes, functions and variables at runtime can be dangerous,
but used correctly you can do a whole lot more, a whole lot easier.
Just take for example, in AS3 you have trace(). Now, I'm not saying
overwriting the trace method is a good idea, but in JavaScript to get trace
outputting the output to somewhere when running in a browser environment,
all you would have to do is this.
if(runningInBrowser){
trace = function(){
console.log(arguments);
}
}
In AS3 you have to call a separate function which traces and does the
console.log().
This is just a small example, that everyone I'm sure can relate to.
JavaScript lets you do more, there is no arguing that. The only thing you
could argue is whether or not JavaScript being able to do more is a good
thing or a bad thing. Personally I think it has it's cons, but the pros
outweigh them for sure.
Prototypical Inheritance is not a step backwards. If anything, it's a
lateral step. It has a lot more to do with the quality of the code then
what language it's written in.
I've seen tons of bad AS3 code. I've seen tons of bad JavaScript code.
Taka
On Sat, Jan 14, 2012 at 5:31 AM, Henrik Andersson <[email protected]>wrote:
> Taka Kojima skriver:
> >
> > The biggest shift is from Classical Inheritance to Prototypical
> > Inheritance, but the key thing to note is that there is still
> inheritance.
> >
> > Prototypical inheritance is definitely more powerful than Classical
> > Inheritance when used right.
> >
>
>
> Yet it is considered insane by most people to change the type of an
> object at runtime.
>
> Any such trickery is best delegated to the Strategy design pattern instead.
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