Let me first thank you for helping me differentiate the words "function" and "method" . I mean really, perhaps 1 year from now, when someone thank me for the same reason, I wouldn't think of it much, I would think that the road ahead is still far for that person, which is how I feel for myself. But that definitely clears my mind a lot for both function and method seem to DO something.
Now, let me try to make that method of mine and share it here. On Aug 27, 4:16 am, "T.J. Crowder" <t...@crowdersoftware.com> wrote: > Hi, > > Yes, JavaScript objects can have method-like things. This statement: > > obj.doSomething(); > > ...does two things: > > 1. It looks up the property 'doSomething' on the object 'obj'. > > 2. If the value is a function, it calls the function and sets its > context (the `this` value inside the function) to 'obj'. (If the value > isn't a function, it throws an error.) > > Taken together, these two things make it seem like JavaScript has > methods. (It doesn't, but its functions are so powerful that they can > do what methods do -- and plenty more besides.) > > So that means that to do what you're talking about, you must do two > things: > > 1. Make doSomething a property of obj. > 2. Have doSomething work with `this` rather than with an argument > passed in. > > More about JavaScript's mythical methods in my incredibly anemic > programming blog:http://blog.niftysnippets.org/2008/03/mythical-methods.html > > HTH, > -- > T.J. Crowder > tj / crowder software / com > Independent Software Engineer, consulting services available > > On Aug 26, 8:31 pm, Nik <niks...@gmail.com> wrote: > > > Hello, say I have this function doSomething(); > > I have always been passing it an obj (prototype object) to return > > something I want from the obj. > > so it goes like this: doSomething(obj); > > > can I do it more like Rails, that is to say, like: > > obj.doSomething()? > > > For instance, > > function pulse(obj){ > > Effect.pulsate(obj, {pulses:4, duration:0.5}); > > > } > > > I normall do : > > obj = $('some_div'); > > pulse(obj); > > > How can I do it like: > > obj.pulse()? > > > Thanks! --~--~---------~--~----~------------~-------~--~----~ 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-scriptaculous@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 -~----------~----~----~----~------~----~------~--~---
