thank you for your information....I think Ihave to rewrite most of my
object...thanks anyway
On Nov 9, 12:50 pm, kangax <[EMAIL PROTECTED]> wrote:
> On Nov 8, 12:23 am, vtsuper <[EMAIL PROTECTED]> wrote:
>
> > here are the third style
>
> > var test = new Frm('frm1',{method:'post',url:'testing.php'});
>
> > var test = new Frm('frm1','post','testing.php');
>
> > var test = new Frm({id:'frm1',method:'post',url:'testing.php'});
>
> > which style that the prototypejs developer suggest us to use??
>
> It's all about doing what makes more sense in your particular
> situation : )
> If your function needs more than 2-3 arguments, it's a good idea to
> replace them with one object. Javascript's objects are unordered
> collections, which makes them an ideal candidate for passing data in
> *any* order:
>
> someFunction({ foo: 1, bar: 2 });
> // is identical in its effect to
> someFunction({ bar: 2, foo: 1 });
>
> while:
>
> someFunction(1, 2);
> someFunction(2, 1);
>
> could easily differ.
>
> Some of prototype.js methods follow a pattern of having an optional
> `options` parameter. This parameter is meant to be an object and is
> usually the last one (as it makes it easy to omit it). `Ajax.Request`
> is a good example.
>
> In your particular case, try only leaving required data as actual
> arguments and put the rest into an optional object:
>
> var Frm = Class.create({
> options: {
> method: 'post'
> },
> initialize: function(element, url, options) {
> this.element = $(element);
> if (!this.element) throw Error('element is required');
> this.url = url;
> id (!this.url) throw Error('url is required');
> this.options = Object.extend(
> Object.clone(this.options),
> options || { }
> );
> // ...
> }
>
> });
>
> [...]
>
> --
> kangax
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