mirror of
https://github.com/Polymer/polymer.git
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45 lines
985 B
HTML
45 lines
985 B
HTML
<!DOCTYPE html>
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<!--
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Copyright 2013 The Polymer-Project Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file.
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-->
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<html>
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<head>
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<title>lib::extend</title>
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<script src="../../lib/oop.js"></script>
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</head>
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<body>
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<script>
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Base = function() {};
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Base.prototype = {
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super: $super,
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emit: function(inMsg) {
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document.body.appendChild(document.createTextNode(inMsg));
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},
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soundOff: function() {
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this.emit('[Base]');
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}
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};
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//
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Sub = function() {};
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Sub.prototype = extend(Base.prototype, {
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soundOff: function() {
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this.emit('[Sub]');
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this.super();
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}
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});
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//
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SubSub = function() {};
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SubSub.prototype = extend(Sub.prototype, {
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soundOff: function() {
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this.emit('[SubSub]');
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this.super();
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}
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});
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//
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subsub = new SubSub();
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subsub.soundOff();
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</script>
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</body>
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</html> |