标签：style class blog code java http
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> </head> <body> <script src="http://yui.yahooapis.com/3.16.0/build/yui/yui-min.js"></script> <script type="text/javascript"> YUI.add(‘electron‘, function(Y) { var REST_ENERGY = 511.00; function Electron() { Electron.superclass.constructor.apply(this, arguments); } Electron.NAME = ‘electron‘; Electron.ATTRS = { charge: { value: -1, readOnly: true }, energy: { value: REST_ENERGY, validator: function(en) { return (en >= REST_ENERGY); } } } Y.Electron = Y.extend(Electron, Y.Base, { initializer: function() { Y.log(‘init...‘); }, getSpeed: function() { var e_ratio = REST_ENERGY / this.get(‘energy‘); return Math.sqrt(1 - e_ratio * e_ratio); } }); }, ‘0.0.1‘, {requires: [‘base-base‘]}); YUI().use(‘electron‘, function(Y) { var e1 = new Y.Electron({energy: 1200}); Y.log(e1.getSpeed()); }); </script> </body> </html>
标签：style class blog code java http
原文地址：http://www.cnblogs.com/weats/p/3786040.html
