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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Javascript Demo - abstract class</title>
    <link rel="stylesheet" type="text/css" href="css.css" />
    <script type="text/javascript" src="jsC.js"></script>
</head>
<body>
<script id="jsbin-javascript">
var Shape=function(){
  this.shapeName=none;
  throw new Error("kjfkj");
}
Shape.prototype.draw=function(){
  return "Drawing "+this.shapeName;
}
var Circle = function(shapeName)
{
  this.shapeName=shapeName;
}
Circle.prototype =Object.create(Shape.prototype);
var circle = new Circle("circle");
document.write( circle.draw());
</script>


<script id="jsbin-source-javascript" type="text/javascript">var Shape=function(){
  this.shapeName=none;
  throw new Error("kjfkj");
}
Shape.prototype.draw=function(){
  return "Drawing "+this.shapeName;
}
var Circle = function(shapeName)
{
  this.shapeName=shapeName;
}
Circle.prototype =Object.create(Shape.prototype);
var circle = new Circle("circle");
document.write( circle.draw());</script></body>
</html>