MACROMEDIA FLASH 8-LEARNING ACTIONSCRIPT 2.0 IN FLASH, Руководство пользователя

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About functions and methods 217
return Number.NaN;
}
num_array.sort(Array.NUMERIC | Array.DESCENDING);
var min:Number = Number(num_array.pop());
return min;
}
public static function arrayMax(num_array:Array):Number {
if (num_array.length == 0) {
return undefined;
}
num_array.sort(Array.NUMERIC);
var max:Number = Number(num_array.pop());
return max;
}
}
3.
Select File > Save to save the ActionScript file.
4.
Create a new Flash document and save it as classFunctions.fla in the same directory
as Utils.as.
5. Select Window > Actions to open the Actions panel.
6. Type the following ActionScript into the Script pane:
var randomMonth:Number = Utils.randomRange(0, 11);
var min:Number = Utils.arrayMin([3, 3, 5, 34, 2, 1, 1, -3]);
var max:Number = Utils.arrayMax([3, 3, 5, 34, 2, 1, 1, -3]);
trace("month: " + randomMonth);
trace("min: " + min); // -3
trace("max: " + max); // 34
7. Select Control > Test Movie to test the documents. The following text is displayed in the
Output panel:
month: 7
min: -3
max: 34
NO
TE
For information on writing code using Script Assist, see “Using Script Assist to write
ActionScript” on page 328 , “Creating a startDrag/stopDrag event using Script
Assist” on page 331 and the ActionScript:Use Script Assist Mode tutorial (which
begins with “Open the starter document” on page 213 ).