Very simple task to do but never get it work.
say I have a class called track
function Track(){
this.id = 'a';
this.content = 'b';
}
Track.prototype.update(){
this.content = 'b';
alert(this.content) //alert1
options.onSuccess = this.handle.bind(this);
new Ajax.Request(url, options);
alert(this.content); //alert3
}
Track.prototype.handler(transport){
this.content = transport.responseText;
alert(this.id);
alert(this.content); //alert2
}
The overall structure is like this.
The funny thing is when executed; alert1 shows 'b', alert2 will show
the responseText, but alert3 will still be b.
The modification of this.content in the handler can't have global
effect. However, when alert this.id in the handler, you will see
this.id working. It seems that things are messed up in the scoping of
ajax request. Anyone has any clue how to work around ?
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