Flash / Flex / ActionScript/Data Type/undefined
Версия от 12:19, 26 мая 2010; (обсуждение)
Convert undefined to string
<source lang="java">
package{
import flash.display.Sprite; public class Main extends Sprite{ public function Main(){ trace(undefined); // undefined
} }
}
</source>
The undefined value represents the absence of data for variables, parameters, and return values without a specified type annotation.
<source lang="java">
package{
import flash.display.Sprite; public class Main extends Sprite{ public function Main(){ var info = new Object( ); info.city = "Toronto"; info.country = undefined; trace(info.language); // Displays: undefined
} }
}
</source>