How do we call javascript from Flex actionscript? | Miltimedia Interview Questions

Using the Externalinterface APT to access JavaScript from Flex and Using the navigateToURL() method in Flex. The navigateToURL() method is in the flash.net package
flash.external.ExtemalInterface. call(function_name:String[, arg1, ..]) Object; navigateToURL(request:URLRequest, window:String):void