javascript - How can i acess numberText[i].text() in function inside onclick event of circles[i]? -

when access "numertext[i].text()" in function of circles[i]'s on click event handler firebug prompts error:"numbertext[i] undefined ". want assign text returned calling "numertext[i].text()" variable "score"

var score=0; for(var i=0;i<3;i++){ //adding number text     numbertext[i]=new kinetic.text({     x:circles[i].getx(),     y:circles[i].gety(),     text:i,     fill:'white',     name:'ntext'     });   group[i].add(circles[i],numbertext[i]);   layer.add(group[i]);  //zn click circles  circles[i].on('click',function(){ score=numbertext[i].text(); //here "numbertext[i] undefined"  error fires scoretext.text(score); layer.draw();  });   } 

plz me