Thank you, Arieh. Ant what about the arguments passed in apply ?
On 6 Sep., 14:12, אריה גלזר <[email protected]> wrote: > I realy think you should read about call/apply/bind, and even better, read > the mootools code, so you could see that bind already uses apply. > anyway, this is what you are looking for:http://jsfiddle.net/TfhL8/4/ > > and just to make it clear - the first argument to both apply and call > specifies what this will point to. failing to specify this argument will > result with only the global scope. But, if you already use bind, there is no > reason using call, as the function was already binded. When you use bind, > simply call the function itself:http://jsfiddle.net/TfhL8/3/ > > hope this clarifies some of your confusion > > On Mon, Sep 6, 2010 at 2:45 PM, berlinsurfer > <[email protected]>wrote: > > > > > I found the solution: I had to use apply instead. See the jsfiddle: > >http://jsfiddle.net/TfhL8/1/ > > Thanks, > > Jan > > > On 6 Sep., 11:52, berlinsurfer <[email protected]> wrote: > > > Thanks, Arieh, > > > but that's not what I wanted to achieve. "This.previous" is referring > > > to the old function "doSomething". To make it clearer: > >http://jsfiddle.net/TfhL8/ > > > > On 6 Sep., 11:42, אריה גלזר <[email protected]> wrote: > > > > > when using call, failing to pass a first argument, it will bind this to > > the > > > > null. > > > > you don't need both bind and call. Also, you can simply call fn: > > > > >http://jsfiddle.net/4ZzLs/ > > > > > On Mon, Sep 6, 2010 at 12:27 PM, berlinsurfer < > > [email protected]>wrote: > > > > > > Hi, > > > > > a short question: is there a possibility to store this.previous() > > > > > (when refatoring a Class) within another function ? > > > > > This throws an error: > > > > > Request.HTML = Class.refactor(Request.HTML, { > > > > > ..., > > > > > onSomethingElse: function() { > > > > > var fn = function () {this.previous()}.bind(this); > > > > > fn.call(); > > > > > } > > > > > }); > > > > > > It says this.previous() is undefined. Why ? Even when logging "this" > > > > > via console.log, this.previous is marked as undefined. When calling > > it > > > > > directly it works however. Very strange to me... > > > > > Cheers, > > > > > Jan > > > > > -- > > > > Arieh Glazer > > > > אריה גלזר > > > > 052-5348-561 > > > > 5561 > > -- > Arieh Glazer > אריה גלזר > 052-5348-561 > 5561
