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Posted By

ichnoweb on 09/04/10


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closure mootools


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Closure when using event handler

 / Published in: JavaScript
 

requires mootools

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  1. /* Function in class */
  2. prepareLabels: function(dataProperty,defaultEvent){
  3. 		var i = 0;
  4. 		$each(stageLabels,function(listElement){
  5. 			listElement.setProperty(dataProperty,i);
  6. 			listElement.addEvent(defaultEvent,function(e){
  7. 			    /* changeImage => other function in class */	 
  8.                             this.changeImage(e.target);
  9. 			}.bind(this));  /* bind -> sets function-context */
  10. 			i++;
  11. 		},this);
  12. 	}

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Posted By: BarrydeRond on October 10, 2010

It quite depends on what type of application you are building, but instead of attaching many events to many objects, use event delegation.

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