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| hasAccessibility — Static property in class System.capabilities | 
 | A Boolean value that is true if the player is running in an environment that supports communication between Flash Player and accessibility aids; false otherwise. | 
| hasAudio — Static property in class System.capabilities | 
 | Specifies if the system has audio capabilities. | 
| hasAudioEncoder — Static property in class System.capabilities | 
 | Specifies if the Flash Player can encode an audio stream. | 
| hasChildNodes() — Method in class XMLNode | 
 | Specifies whether or not the XML object has child nodes. | 
| hasEmbeddedVideo — Static property in class System.capabilities | 
 | A Boolean value that is true if the player is running on a system that supports embedded video; false otherwise. | 
| hasIME — Static property in class System.capabilities | 
 | Indicates whether the system has an input method editor (IME) installed. | 
| hasMP3 — Static property in class System.capabilities | 
 | Specifies if the system has a MP3 decoder. | 
| hasOwnProperty(name:String) — Method in class Object | 
 | Indicates whether an object has a specified property defined. | 
| hasPrinting — Static property in class System.capabilities | 
 | A Boolean value that is true if the player is running on a system that supports printing; false otherwise. | 
| hasScreenBroadcast — Static property in class System.capabilities | 
 | A Boolean value that is true if the player supports the development of screen broadcast applications to be run through the Flash Communication Server; false otherwise. | 
| hasScreenPlayback — Static property in class System.capabilities | 
 | A Boolean value that is true if the player supports the playback of screen broadcast applications that are being run through the Flash Communication Server; false otherwise. | 
| hasStreamingAudio — Static property in class System.capabilities | 
 | A Boolean value that is true if the player can play streaming audio; false otherwise. | 
| hasStreamingVideo — Static property in class System.capabilities | 
 | A Boolean value that is true if the player can play streaming video; false otherwise. | 
| hasVideoEncoder — Static property in class System.capabilities | 
 | Specifies if the Flash Player can encode a video stream. | 
| _height — Property in class Button | 
 | The height of the button, in pixels. | 
| height — Property in class Camera | 
 | The current capture height, in pixels. | 
| _height — Property in class MovieClip | 
 | The height of the movie clip, in pixels. | 
| height — Static property in class Stage | 
 | Property (read-only); indicates the current height, in pixels, of the Stage. | 
| _height — Property in class TextField | 
 | The height of the text field in pixels. | 
| _height — Property in class Video | 
 | Indicates the height of the Video object, in pixels. | 
| height — Property in class Video | 
 | An integer specifying the height of the video stream, in pixels. | 
| height — Property in class flash.display.BitmapData | 
 | The height of the bitmap image in pixels. | 
| height — Property in class flash.geom.Rectangle | 
 | The height of the rectangle in pixels. | 
| hide() — Static method in class Mouse | 
 | Hides the pointer in a SWF file. | 
| hideBuiltInItems() — Method in class ContextMenu | 
 | Hides all built-in menu items (except Settings) in the specified ContextMenu object. | 
| hideObject — Property in class flash.filters.DropShadowFilter | 
 | Indicates whether or not the object is hidden. | 
| highlightAlpha — Property in class flash.filters.BevelFilter | 
 | The alpha transparency value of the highlight color. | 
| highlightColor — Property in class flash.filters.BevelFilter | 
 | The highlight color of the bevel. | 
| _highquality — Property in class Button | 
 | Deprecated since Flash Player 7 — This property was deprecated in favor of Button._quality. 
 | 
| _highquality — Global property | 
 | Deprecated since Flash Player 5 — This property was deprecated in favor of _quality. 
 | 
| _highquality — Property in class MovieClip | 
 | Deprecated since Flash Player 7 — This property was deprecated in favor of MovieClip._quality. 
 | 
| _highquality — Property in class TextField | 
 | Deprecated since Flash Player 7 — This property was deprecated in favor of TextField._quality. 
 | 
| hitArea — Property in class MovieClip | 
 | Designates another movie clip to serve as the hit area for a movie clip. | 
| hitTest() — Method in class MovieClip | 
 | Evaluates the movie clip to see if it overlaps or intersects with the hit area that the target or x and y coordinate parameters identify. | 
| hitTest(firstPoint:Point, firstAlphaThreshold:Number, secondObject:Object, [secondBitmapPoint:Point], [secondAlphaThreshold:Number]) — Method in class flash.display.BitmapData | 
 | Performs pixel-level hit detection between one bitmap image and a point, rectangle or other bitmap image. | 
| hitTestTextNearPos(x:Number, y:Number, [closeDist:Number]) — Method in class TextSnapshot | 
 | Lets you determine which character within a TextSnapshot object is on or near the specified x, y coordinates of the movie clip containing the text in the TextSnapshot object. | 
| HOME — Constant static property in class Key | 
 | The key code value for the Home key (36). | 
| hscroll — Property in class TextField | 
 | Indicates the current horizontal scrolling position. | 
| html — Property in class TextField | 
 | A flag that indicates whether the text field contains an HTML representation. | 
| htmlText — Property in class TextField | 
 | If the text field is an HTML text field, this property contains the HTML representation of the text field's contents. | 
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