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| _y — Property in class Button | 
 | The y coordinate of the button relative to the local coordinates of the parent movie clip. | 
| _y — Property in class MovieClip | 
 | Sets the y coordinate of a movie clip relative to the local coordinates of the parent movie clip. | 
| _y — Property in class TextField | 
 | The y coordinate of a text field relative to the local coordinates of the parent movie clip. | 
| _y — Property in class Video | 
 | Indicates the y coordinate of a Video object relative to the local coordinates of the parent movie clip. | 
| y — Property in class flash.geom.Point | 
 | The vertical coordinate of the point. | 
| y — Property in class flash.geom.Rectangle | 
 | The y coordinate of the top-left corner of the rectangle. | 
| _ymouse — Property in class Button | 
 | Indicates the y coordinate of the mouse position relative to the button. | 
| _ymouse — Property in class MovieClip | 
 | Indicates the y coordinate of the mouse position. | 
| _ymouse — Property in class TextField | 
 | Indicates the y coordinate of the mouse position relative to the text field. | 
| _ymouse — Property in class Video | 
 | Indicates the y coordinate of the mouse position. | 
| _yscale — Property in class Button | 
 | The vertical scale of the button as applied from the registration point of the button, expressed as a percentage. | 
| _yscale — Property in class MovieClip | 
 | Sets the vertical scale (percentage) of the movie clip as applied from the registration point of the movie clip. | 
| _yscale — Property in class TextField | 
 | The vertical scale of the text field as applied from the registration point of the text field, expressed as a percentage. | 
| _yscale — Property in class Video | 
 | Indicates the vertical scale (percentage) of the Video object as applied from the registration point of the Video object. | 
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