as3中一些不常见的写法

mc.gotoAndPlay(Math.random()*10>>0);

if(i&1){}

var a:Array = new Array();
for (var i:int=0; i<10; a.push(i++)){
//....
}

var temp:Number=mouseX;
stage.addEventListener(MouseEvent.MOUSE_MOVE,moveHandler);
function moveHandler(e:MouseEvent):void {
var d:Number=(-temp+(temp=mouseX));
}

Mouse.hide();
var temp:Number=mouseX;
stage.addEventListener(MouseEvent.MOUSE_MOVE,moveHandler);
function moveHandler(e:MouseEvent):void {
var d:Number=(-temp+(temp=mouseX));
spriteMouse.x += d;
e.updateAfterEvent();
}

function fn1 () {
trace("1");
}
function fn2 () {
trace("2");
}
([fn1,fn2][Math.random()*2>>0])();

var a:int=3;
if (a>0&&(trace("a is positive number"),a&1))
trace("a is positive odd number");

var a:int=13;
var b:int=-12;
if((a^b)>0||(b*=-1,a>10))
trace(b);