I thought this would throw an exception if Prototype wasn't defined. You
would need to say:
var Prototype
if (Prototype) { ... }
Right?
-Fred
On Sat, Jun 7, 2008 at 1:58 AM, T.J. Crowder <[EMAIL PROTECTED]> wrote:
>
> Or "if (Prototype) { ... }" ?
> --
> T.J. Crowder
> tj / crowder software / com
>
> On Jun 6, 10:12 pm, kangax <[EMAIL PROTECTED]> wrote:
> > typeof unfortunately returns "object" when applied to null
> > typeof null; // "object"
> >
> > A safer way is to test for undefined:
> >
> > if (typeof Prototype != 'undefined') {
> > ...
> >
> > }
> >
> > - kangax
> >
> > On Jun 6, 4:35 pm, nlloyds <[EMAIL PROTECTED]> wrote:
> >
> > > On Jun 4, 1:50 pm, sheps-ii <[EMAIL PROTECTED]> wrote:
> >
> > > > Thank you, that's fantastic. I love how prototype helps true
> > > > modularity into content(server side)->structure (html)->behaviour
> > > > (js). Cheers!
> >
> > > To take it a step further, I usually encapsulate everything in a class
> > > or namespace. So, the bottom of the html looks like this:
> >
> > > <script type="text/javascript" src="prototype.js"></script>
> > > <script type="text/javascript" src="mysite.js"></script>
> > > </body>
> > > </html>
> >
> > > Then the mysite.js:
> >
> > > if (typeof Prototype == "object") { // only load if Prototype is
> > > present
> > > var MySite = Class.create({
> > > initialize : function () {
> > > ... // stuff to do on page load
> >
> > > this.addObservers();
> > > },
> >
> > > // Add additional event handlers here
> > > addObservers : function () {
> > > ...
> > > },
> >
> > > ...
> >
> > > });
> > > document.observe("dom:loaded", function () { new MySite() });
> >
> > > }
> >
> > > I don't know if that's the best way to do things, but It works well
> > > for me. YMMV
> >
>
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