ActionScript 3.0 Cookbook: Solutions for Flash Platform and by Joey Lott

By Joey Lott

Good prior to Ajax and Microsoft's home windows Presentation beginning hit the scene, Macromedia provided the 1st process for construction web content with the responsiveness and performance of computing device courses with its Flash-based "Rich net Applications". Now, new proprietor Adobe is taking Flash and its strong features past the internet and making it a full-fledged improvement atmosphere. instead of concentrate on conception, the ActionScript 3.0 Cookbook concentrates at the useful software of ActionScript, with greater than three hundred ideas you should use to unravel quite a lot of universal coding dilemmas. you can find recipes that provide help to: realize the user's Flash participant model or their working process construct customized sessions layout dates and foreign money kinds paintings with strings construct person interface elements paintings with audio and video Make distant method calls utilizing Flash Remoting and internet companies Load, ship, and seek XML facts and masses, even more ... every one code recipe provides the matter, answer, and dialogue of ways you should use it in alternative routes or customize it in your personal wishes, and why it really works. you could fast find the recipe that almost all heavily suits your state of affairs and get the answer with no interpreting the full e-book to appreciate the underlying code. suggestions growth from brief recipes for small difficulties to extra complicated scripts for thornier riddles, and the discussions supply a deeper research for resolving related concerns sooner or later, besides attainable layout offerings and ramifications. you are going to even how one can hyperlink modular ActionScript items jointly to create rock-solid strategies for Flex 2 and Flash purposes. if you find yourself uncertain how ActionScript 3.0 works or the best way to procedure a selected programming challenge, you could easily decide up the publication, turn to the proper recipe(s), and speedy find the answer you are looking for. Adobe Developer Library is a co-publishing partnership among O'Reilly Media and Adobe platforms, Inc. and is designed to provide the number 1 info assets for builders who use Adobe applied sciences. Created in 2006, the Adobe Developer Library is the legit resource for accomplished studying ideas to assist builders create expressive and interactive internet purposes which may achieve almost somebody on any platform. With top-notch books and cutting edge on-line assets masking the newest in wealthy web software improvement, the Adobe Developer Library bargains specialist education and in-depth assets, immediately from the resource.

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When a function is part of a class, it is referred to as a method of the class. Methods can use all the same modifiers as properties. Scope A variable’s scope describes when and where the variable can be manipulated by the code in a movie. Scope defines a variable’s life span and its accessibility to other blocks of code in a script. Scope determines how long a variable exists and from where in the code you can set or retrieve the variable’s value. A function’s scope determines where and when the function is accessible to other blocks of code.

Scope A variable’s scope describes when and where the variable can be manipulated by the code in a movie. Scope defines a variable’s life span and its accessibility to other blocks of code in a script. Scope determines how long a variable exists and from where in the code you can set or retrieve the variable’s value. A function’s scope determines where and when the function is accessible to other blocks of code. 13 deals with issues of scope. Event handler A handler is a function or method that is executed in response to some event such as a mouseclick, a keystroke, or the movement of the playhead in the timeline.

Don’t rely on timer intervals to be smaller than approximately 10 milliseconds. If you want to emulate the functionality of the setInterval( ) function, set the repeat count to zero. This causes the timer event to fire indefinitely. In this case, the stop( ) method is analogous to the clearInterval( ) function, and stops the timer from firing further events. Similarly, if you want to duplicate the setTimeout( ) function, set the repeat count to one. The timer waits the specified amount of time, fires one event, and ends.

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