Ah okay, so you can use "Parent.prototype.method.call()" as an alternative for the $super argument?
Would that be better to use for performance critical apps instead of the $super argument? On Mon, Nov 29, 2010 at 8:03 PM, T.J. Crowder <t...@crowdersoftware.com>wrote: > Hi, > > From within a call to `SectionText`'s `extension` function, you can > use `$super` to call `Section`'s version, although be aware that > Prototype's `$super` support relies on some ugly things under the > covers (like function decompilation). > > There's a clunky alternative which you can use anywhere (including > within `SectionText`'s `extension` function: > `Section.prototype.extension.call(instanceReference, ...)`. Here's an > example: > http://jsbin.com/iquto5 > > Or you can go a totally different direction: > http://blog.niftysnippets.org/2009/09/simple-efficient-supercalls-in.html > > Happy coding, > -- > T.J. Crowder > Independent Software Engineer > tj / crowder software / com > www / crowder software / com > > On Nov 29, 4:45 pm, Luke <kickingje...@gmail.com> wrote: > > Thanks. Fermion in the Prototype-IRC also told me the same thing. But > > he said you cannot access the parent's property. It will be > > overwritten by the child. Is that true or do you know any way to > > access it from the child? $super just seems to contain the parent's > > method that has the same name like the child's method it is passed > > to... . > > > > On Nov 29, 1:23 pm, Johan Arensman <johanm...@gmail.com> wrote: > > > > > > > > > > > > > > > > > You can use the $super parameter name to access the property of the > parent > > > class. > > > > > See:http://api.prototypejs.org/language/Class/create/ > > > > > On Mon, Nov 29, 2010 at 12:15 PM, Luke <kickingje...@gmail.com> wrote: > > > > Hi there! > > > > > > Is there a way you can inherit from a class and extend a property > from > > > > the parent class with the same property of the subclass? Like if I > > > > have the following 2 classes: > > > > > > === === > > > > > > var Section = Class.create({ > > > > > > attach: function(element) { > > > > Object.extend(element, this.extension); > > > > } > > > > > > extension: { > > > > // Methods and properties here > > > > } > > > > } > > > > > > === and === > > > > > > var SectionText = Class.create(Section, { > > > > > > extension: { > > > > // More methods and properties here > > > > } > > > > > > }); > > > > > > === === > > > > > > is somehow possible to extend the extension-property of the parent > > > > class with the extension-property of the subclass rather than > > > > replacing it? Can I maybe somehow access the parent's property from > > > > the subclass to manually extend it? > > > > > > Thanks, > > > > Luke > > > > > > -- > > > > You received this message because you are subscribed to the Google > Groups > > > > "Prototype & script.aculo.us" group. > > > > To post to this group, send email to > > > > prototype-scriptacul...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > > prototype-scriptaculous+unsubscr...@googlegroups.com<prototype-scriptaculous%2bunsubscr...@googlegroups.com><prototype-scriptaculou > s%2bunsubscr...@googlegroups.com <s%252bunsubscr...@googlegroups.com>> > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/prototype-scriptaculous?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Prototype & script.aculo.us" group. > To post to this group, send email to > prototype-scriptacul...@googlegroups.com. > To unsubscribe from this group, send email to > prototype-scriptaculous+unsubscr...@googlegroups.com<prototype-scriptaculous%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/prototype-scriptaculous?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
