getChildIndex(child) → {Number}
Returns the index position of a child DisplayObject instance
Parameters
| Name | Type | Description | 
|---|---|---|
child |  DisplayObject | The DisplayObject instance to identify  |  
Returns
 Number - 
 The index position of the child display object to identify
- Inherited From
 - Source code: pixi/display/DisplayObjectContainer.js (Line 112)
 
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