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<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<div>TODO write content</div>
<script>
var A = function() {
this.value = 1;
};
A.prototype.constructor = A;
A.prototype.test = function() {
};
var B = function() {
A.call(this);
};
B.prototype = new A;
B.prototype.constructor = B;
B.prototype.test = function() {
A.prototype.test.call(this);
};
var b = new B();
b.v
</script></body>
</html>
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