var a = 10;
var b = a;
a = 20;

trace(a,b);
trace("*******************************");

var c:Array = [10,20,30,40];
var d:Array;
d = c;
c[0] = 50;

trace("c:",c);
trace("d:",d);
trace("*******************************");

var e:Array = [10,20,30,40];
var f:Array;
f = e;

f[0] = 99;
trace("e:",e);
trace("f:",f);
trace("*******************************");


e = ["a","b","c"];//此时已经打破e=f

trace("e:",e);
trace("f:",f);
trace("*******************************");

e[0] = "fly";
trace("e:",e);
trace("f:",f);

trace("*******************************");
f[0] = "sky";
trace("e:",e);
trace("f:",f);
trace("*******************************");

20 10
*******************************
c: 50,20,30,40
d: 50,20,30,40
*******************************
e: 99,20,30,40
f: 99,20,30,40
*******************************
e: a,b,c
f: 99,20,30,40
*******************************
e: fly,b,c
f: 99,20,30,40
*******************************
e: fly,b,c
f: sky,20,30,40
*******************************