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What Objects are and Why They're Useful

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Đối tượng là gì và tại sao Chúng hữu ích ActionScript đối tượng cho phép bạn thực hiện tất cả các loại nhiệm vụ tương tác với Flash. Họ cung cấp một phương tiện để bạn làm việc với văn bản, âm thanh, màu sắc, ngày, và nhiều hơn nữa, theo những cách rất năng động. Như bạn sẽ sớm tìm hiểu, ActionScript đối tượng, trong khi phi vật thể, có rất nhiều đối tác như thể chất của họ. Chúng có đặc điểm được gọi là tài sản, có thể được thay đổi với một kịch bản, và họ. | What Objects are and Why They re Useful ActionScript objects allow you to perform all sorts of interactive tasks with Flash. They provide a means for you to work with text sound color dates and more in very dynamic ways. As you ll soon learn ActionScript objects while intangible are very much like their physical counterparts. They have characteristics known as properties which can be changed with a script and they have abilities known as methods which allow them to perform various tasks. We ll discuss both of the aspects of objects in depth in a moment. The primary benefit of using objects in ActionScript is that they allow you to program and manipulate data colors sound dates et cetera in a context that makes sense to humans we re all familiar with the idea of objects having characteristics and abilities. Understanding the Concept of Object Classes At the introduction of this lesson when we introduced the phrase classes of objects you probably scratched your head wondering what in the world the phrase meant. It s actually a simple yet important concept to understand in the world of object-oriented programming. We ll touch on it briefly here to acquaint you with its meaning. A more indepth discussion can be found in Lesson 7 Creating Custom Classes where you ll create your own custom classes of objects. Classes of objects or object classes or simply classes is an organizational phrase used to denote sets of objects with similar characteristics and abilities. You ve probably heard the terms upper class middle class or working class to describe groups of people that fit a certain mold due to their finances or capabilities. The same general idea applies to the concept of classes of objects in ActionScript. Each object you use in ActionScript belongs to a specific class that defines the general characteristics and abilities of the objects in it. To help you grasp this concept in the realm of ActionScript let s look at an example. Perhaps you ve noticed that all movie .