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

答案：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=>}; 
myClass.prototype.callback=function() 
{ 
 alert("blueDestiny, never-online"); 
}; 
var a = new myClass("a"); 
a.toAlert(); 
//--> 
</SCRIPT> 

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