> 3) Validate the value and it it's an undesired value,
> throw an error ? Here, the component prevents the user
> from assigning and undesired value like NaN or
> undefined and the user is alerted of the failure at
> runtime provided that he used a try catch statement.
> 
> What do you guys think ?

(3) definitly.

It's called "defensive programming". Try to have your API as much
checked (type-wise and logical-wise) as possible. This will enforce your
internal logic constraints and prevent faultly programs.

For instance any other component of your application (an UI for example)
will except your volume to be positive and not NaN so you cannot allow
such values to be set.

And you shouldn't ignore this error also since silently ignoring errors
will make you and others lose hours of debugging when something goes wrong

"damn ! why this f... volume does not get set"
answer : because it's NaN

Nicolas
_______________________________________________
Flashcoders@chattyfig.figleaf.com
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcoders

Brought to you by Fig Leaf Software
Premier Authorized Adobe Consulting and Training
http://www.figleaf.com
http://training.figleaf.com

Reply via email to