[thelist] Javascript Versioning

[Peter-Paul Koch]

> > Generally I never use JavaScript versions because I find them too
> > unreliable. What use to detect JavaScript 1.2 if NN4 and IE4 are as
> > different as night and day?
>
>You could use it for some kind of "browser-detection", since, if you
>send out "javascript 1.3" the elder browsers wont get it... not
>declaring a version gets the browser to execute scripts no matter wether
>they actually -can- execute the code or not.
>
>And there's syntax-differences that _can_ matter (though I can't
>remember what they are)

O, I understand what you can do with the versions, but I find support 
detection (does this browser support document.all?) much, much more 
reliable. If you use it, JS versions aren't necessary any more.

My rule: Never use a browser detect when you can use support detection.

ppk

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