In Javascript Class, how to call the prototype method.(three method)

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1、Using Javascript eval Method。
2、using a veriables save object "this" reference.
3、in innerHTML, we can using String to pass the prototype Method。

e.g.

<SCRIPT LANGUAGE="JavaScript">
<!--
function myClass(instanceName)
{
this.instanceName = instanceName;
this.instance = this;
return this;
};
myClass.prototype.toAlert=function()
{
eval(this.instanceName).callback(); // the first method to call prototype function.
this.instance.callback(); // the second method to call prototype function.

// the third method to call prototype function.
document.write("<a href='javascript:void(0);' onclick='" + this.instanceName + ".callback();'>instance call prototype function.</a>")
};
myClass.prototype.callback=function()
{
alert("blueDestiny, never-online");
};
var a = new myClass("a");
a.toAlert();
//-->
</SCRIPT>

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