ActionScript基本语法讲解

var a:int = 3;
var b:int = 4;

b = 9;

trace ("a的值为："+a);
trace ("b的值为："+b);

var x1:Array = new Array(1,2,3);
var y1:Array = x1;
y1[0] = 4;
trace ("a现在的值为："+x1);
trace ("b现在的值为："+y1);

var q:Array = new Array("aaaaa","cccccccc","xxxxxxx");
var s:Array = q;

s = new Array (111,222,333);
s[0] = 222;
trace ("q现在的值为："+q);
trace ("s现在的值为："+s);

const foo:Array = new Array(1,2,3);
var b1:Array = foo;
b1[0] = 2;
trace ("foo数组的值为："+foo);
trace ("b数组的值为："+b1);

var bx:Boolean;
trace (bx);
trace (bx == false);

var d:int = 2;
var f:int = d/3;
trace (f);
var g:Number = d/3;
trace (g);

var floatA:Number = 1.0;
var floatB:Number = 0;

for (var i:int = 0; i < 10; i++)
{
floatB = floatB + 0.1;
}

trace (floatB);
trace (floatA == floatB);

var stringSample:String = "123456";
var stringLength = stringSample.length;
trace (stringLength);

var as1:Array;
var bs1:Array = [];
var cs1:Array = new Array();
var ds1:Array = [1,2,3,4]
var es1:Array = new Array(1,2,3,4,5,6);
var fs1:Array = new Array(5);

trace (as1);
trace (bs1);
trace (cs1);
trace (ds1);
trace (es1);
trace (fs1);

var obj:Object = new Object();
obj.name = "xss";
obj.gender = "male";
obj.age = 9;
obj.Hello = function(){
trace("Hello World!!!");
}

trace (obj.name);
trace (obj.gender);
trace (obj.age);
obj.Hello();

var sample1:Array = [[1,2,3],[4,5,6],[7,8,9]];
trace (sample1[2]);
trace (sample1[2][2]);

var sample2:Array = new Array(new Array(1,2,3),new Array(4,5,6),new Array(7,8,9));
trace (sample2[2]);
trace (sample2[2][2]);

var sample3:Array = new Array(3);
sample3[0] = [1,2,3];
sample3[1] = [4,5,6];
sample3[2] = [7,8,9];
trace (sample3[2]);

var aq:int;
var bq:uint;
var cq:Number;
var dq:String;
var eq:Boolean;
var fq:Array;
var gq:Object;
var hq;
var iq:*;

trace (aq);
trace (bq);
trace (cq);
trace (dq);
trace (eq);
trace (fq);
trace (gq);
trace (iq);

trace (9 is Number);
trace (9 as Number);
trace (0.1 is Number);
trace (0.1 as Number);

var ax:Array = ["Q","W","E","R"];
trace (2 in ax);
trace (3 in ax);

var objx:Object = new Object();
objx.element = "xss";
objx.tags = "csrf";
delete objx.element;
trace (objx.element);
objx = null;
trace (objx);

var box:Array = new Array("123","456","789");
var target:String = "789";
for (var ss:int = 0; ss < box.length; ss++)
{
if (box[ss] == target)
{
trace ("第"+(ss+1)+"次才找到"+target);
}
if (ss == box.length + 1)
{
trace ("你要找的数据不在box数组中！！");
}
}

var xss_1:Object = {key1:"xxxxx",key2:"yyyyy",key3:"zzzzz"};
for (var k in xss_1)
{
trace ("键"+k+"值"+xss_1[k]);
}

for each (var l in xss_1)
{
trace ("值"+l);
}

输出结果：

a的值为：3
b的值为：9
a现在的值为：4,2,3
b现在的值为：4,2,3
q现在的值为：aaaaa,cccccccc,xxxxxxx
s现在的值为：222,222,333
foo数组的值为：2,2,3
b数组的值为：2,2,3
false
true
0
0.6666666666666666
0.9999999999999999
false
6
null

1,2,3,4
1,2,3,4,5,6
,,,,
xss
male
9
Hello World!!!
7,8,9
9
7,8,9
9
7,8,9
0
0
NaN
null
false
null
null
undefined
true
9
true
0.1
true
true
undefined
null
第3次才找到789
键key3值zzzzz
键key2值yyyyy
键key1值xxxxx
值zzzzz
值yyyyy
值xxxxx