[jQuery] Re: How to save this context in callbacks

[Karl Rudd]

Assign this to a local variable.

function blah() {
  var blahThis = this;
  someExternalFunction( function() {
   blahThis.doSomething();
  }
}

Karl Rudd

On Sun, Feb 8, 2009 at 9:28 AM, Alexander kayuch...@gmail.com wrote:

 Goodday!
 Could anyone tell me how to save this context inside callback?
 Here is simple example:

 var myClass = jQuery.Class.create({
init: function(){
this.value = value;

// callback as argument:
someExternalFunction( function() {
this.setValue(); // PROBLEM: this is not 
 myClass pointer
 anymore!
} );
},

setValue: function () {
this.title = new value;
}
 });

[jQuery] Re: How to save this context in callbacks

[Karl Rudd]

Sorry, cut and paste error there. Corrected:

function blah() {
 var blahThis = this;
 someExternalFunction( function() {
  blahThis.doSomething();
 });
}

Karl Rudd

On Sun, Feb 8, 2009 at 12:03 PM, Karl Rudd karl.r...@gmail.com wrote:
 Assign this to a local variable.

 function blah() {
  var blahThis = this;
  someExternalFunction( function() {
   blahThis.doSomething();
  }
 }

 Karl Rudd

 On Sun, Feb 8, 2009 at 9:28 AM, Alexander kayuch...@gmail.com wrote:

 Goodday!
 Could anyone tell me how to save this context inside callback?
 Here is simple example:

 var myClass = jQuery.Class.create({
init: function(){
this.value = value;

// callback as argument:
someExternalFunction( function() {
this.setValue(); // PROBLEM: this is not 
 myClass pointer
 anymore!
} );
},

setValue: function () {
this.title = new value;
}
 });

[jQuery] Re: How to save this context in callbacks

[pete higgins]

I still like the rescope function. :)

http://groups.google.com/group/jquery-en/browse_thread/thread/43644231b5764f12?q=rescope+jquery#ca1b1069580a3f25


On Sat, Feb 7, 2009 at 8:03 PM, Karl Rudd karl.r...@gmail.com wrote:

 Assign this to a local variable.

 function blah() {
  var blahThis = this;
  someExternalFunction( function() {
   blahThis.doSomething();
  }
 }

 Karl Rudd

 On Sun, Feb 8, 2009 at 9:28 AM, Alexander kayuch...@gmail.com wrote:

 Goodday!
 Could anyone tell me how to save this context inside callback?
 Here is simple example:

 var myClass = jQuery.Class.create({
init: function(){
this.value = value;

// callback as argument:
someExternalFunction( function() {
this.setValue(); // PROBLEM: this is not 
 myClass pointer
 anymore!
} );
},

setValue: function () {
this.title = new value;
}
 });