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Asked: 2026-05-23T08:23:19+00:00

How do i go about setting the tween identifier dynamically. I have tried eval

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How do i go about setting the tween identifier dynamically. I have tried eval but it says I need a variable on the left of the assignment operator. here’s what I tried:

eval ("TweenAX" + circle.current.arrowHead.count) = new Tween(circle.current.arrowHead, "_x", mx.transitions.easing.Strong.easeOut, circle.current._x, Stage.width/2, 2, true);
eval ("TweenAY" + circle.current.arrowHead.count) = new Tween(circle.current.arrowHead, "_y", mx.transitions.easing.Strong.easeOut, circle.current._y, Stage.height/2, 2, true);

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1 Answer

  1. Editorial Team

    I’m not 100% sure I understand what you are trying to achieve, but I think you’re looking for the bracket syntax:

    this["TweenAX" + circle.current.arrowHead.count] = new Tween(circle.current.arrowHead, "_x", mx.transitions.easing.Strong.easeOut, circle.current._x, Stage.width/2, 2, true);
this["TweenAY" + circle.current.arrowHead.count] = new Tween(circle.current.arrowHead, "_y", mx.transitions.easing.Strong.easeOut, circle.current._y, Stage.height/2, 2, true);

    This will create two properties on this named TweenAXN and TweenAYN where N is the value of circle.current.arrowHead.count

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