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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 strategy for construction websites with the responsiveness and performance of computing device courses with its Flash-based "Rich web Applications". Now, new proprietor Adobe is taking Flash and its robust services 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 strategies you should use to unravel a variety of universal coding dilemmas. you will discover recipes that provide help to: notice the user's Flash participant model or their working process construct customized sessions structure dates and forex varieties paintings with strings construct person interface parts paintings with audio and video Make distant approach calls utilizing Flash Remoting and net prone Load, ship, and seek XML info and masses, even more ... every one code recipe offers the matter, answer, and dialogue of the way you should use it in alternative ways or customize it on your personal wishes, and why it really works. you could speedy find the recipe that almost all heavily fits your state of affairs and get the answer with out interpreting the full ebook to appreciate the underlying code. strategies development from brief recipes for small difficulties to extra complicated scripts for thornier riddles, and the discussions provide a deeper research for resolving related concerns sooner or later, besides attainable layout offerings and ramifications. you are going to even find out how to hyperlink modular ActionScript items jointly to create rock-solid ideas for Flex 2 and Flash functions. if you find yourself uncertain how ActionScript 3.0 works or the way to technique a particular programming challenge, you could easily decide up the booklet, turn to the appropriate 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 #1 details assets for builders who use Adobe applied sciences. Created in 2006, the Adobe Developer Library is the legitimate resource for complete studying ideas to assist builders create expressive and interactive net functions which could succeed in nearly somebody on any platform. With top-notch books and cutting edge on-line assets overlaying the newest in wealthy net program improvement, the Adobe Developer Library bargains professional education and in-depth assets, immediately from the resource.

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The prefix and postfix operators modify the operand in the same way but at different times. In some circumstances, there is no net difference in their operation, but the distinction is still important in many cases. When using prefix operators, the value is modified before the remainder of the statement or expression is evaluated. And if you’re using postfix operators, the value is modified after the remainder of the statement has executed. Note how the first example increments quantity after displaying its value, whereas the second example increments quantity before displaying its value: var quantity:Number = 5; trace(quantity++); // Displays: 5 trace(quantity); // Displays: 6 var quantity:Number = 5; trace(++quantity); // Displays: 6 trace(quantity); // Displays: 6 Using Mathematical Operators | 15 Getting back to the original problem, you can use these operators to modify a property over time.

To execute some action under certain circumstances, use one of ActionScript’s conditional statements: if, switch, or the ternary conditional operator (? :). Conditional statements allow you to make logical decisions, and you’ll learn from experience which is more appropriate for a given situation. , when the condition is true). When you have several possible conditions to test, you can use the switch statement instead. And you can use Flash’s ternary conditional operator to perform conditional checking and assignment on a single line.

3 Where to Place ActionScript Code Problem You have a new ActionScript project and need to know where to put the code for it to execute properly. Solution Place ActionScript code in the constructor and additional methods of the class. as 4 | Chapter 1: ActionScript Basics files referenced with #include, or as external class files. 0 is completely class-based, so all code must be placed in methods of your project’s classes. When you create a new ActionScript project, the main class is automatically created, and opened in the Code view.

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