MACROMEDIA FLASH 8-FLASH Spécifications Page 253

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Test your SWF file 253
Write a function for the Try Again
button
A function is a script that you can use repeatedly to perform a specific task.
You can pass parameters to a function, and it can return a value. In this
example, when the user clicks the Try Again button, a function runs that
returns the playhead to Frame 1.
You’ll write that function now. In this script, you’ll type the frame number,
because you did not label Frame 1.
1. In the Timeline, select Frame 5 of the Actions layer.
2. In the Script pane, type the following comment:
// button function returns user to Frame 1.
Press Enter (Windows) or Return (Macintosh).
3. Type tryAgain_btn.onRelease = function(){, and then press
Enter or Return.
4. Type gotoAndStop(1);, and then press Enter or Return and type } to
complete the script.
Test your SWF file
You’ll test your document by entering a URL and checking whether it
works as expected.
1. Select Control > Test Movie.
2. When the SWF file appears, click Submit before typing anything in the
input text field.
The error message appears.
3. Click Try Again, and then type the URL of a valid website in the input
text field.
Click Submit.
Your default browser opens the web page.
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