javascript继承代码_Java Web开发

javascript继承代码求助

Java code

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><script language="javascript">function ClassA(color){this.color = color;this.saycolor = function(){alert(this.color);};}function ClassB(color,name){this.newmethod = ClassA;this.newmethod(color);delete this.newmethod;this.name = name;this.sayhi = function(){alert(this.name);};}var obj1 = new classA("red");var obj2 = new ClassB("blue","as h");obj1.saycolor();obj2.saycolor();obj2.sayhi();</script></body></html>

请问哪错了

------解决方案--------------------

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Java code

var obj1 = new classA("red");

'c'大写