Using The Call() Function To Create Functions - MACROMEDIA FLASH 8-LEARNING FLASH LITE 1.X ACTIONSCRIPT Manual

Learning flash lite 1.x actionscript

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Table of Contents

Using the call() function to create

functions

You can't define or call custom functions in Flash Lite as you can in Flash Player 5 and later.

However, you can use the

arbitrary frame in the timeline. This technique lets you encapsulate commonly used code in a

single location, making it easier to maintain.

The

function takes a frame number or frame label as a parameter. For example, the

call()

following ActionScript calls the code located on the frame labeled

call("moveUp");

The

function operates synchronously; any ActionScript that follows a

call()

function call won't execute until all of the ActionScript on the specified frame finishes

executing.

To call ActionScript on another frame:

In a new Flash document, insert a keyframe on Frame 10.

With the new keyframe selected, open the Actions panel (Window > Actions), and type the

following code:

trace("Hello from frame 10");

Select the keyframe on Frame 1, and in the Actions panel, type the following code:

stop();

call(10);

This code stops the playhead on Frame 1, and then calls the code on Frame 10.

Test the application in the emulator and open the Output panel (Window > Output).

You should see "Hello from frame 10" displayed in the Output panel.

ActionScript function to execute code that resides on an

call()

moveUp