javascript父子通信

---

<script language="javascript" defer="defer">
var parent =
{
//
say:function ()
{
//
alert("parent_say");
},
alert:function ()
{
//
alert("parent");
this.say();
}
};
//


parent.addChild("child",
{
//
say:function ()
{
//
alert("child_say");
},
alert:function ()
{
//
alert("child");
this.parent.say();
}
}
);
//parent.child.alert();
//parent.alert();
var c = parent.child;
c.alert();
</script>



<script language="javascript">
Object.prototype.addChild=function(oName, obj)
{
eval("var p=this."+oName+"= new Object()");
this[oName]=obj;
this[oName].parent=this;
}
</script>
效果演示：

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