Created
January 30, 2012 00:44
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Change prototype and existing objects change as well
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| > var a = Counter; | |
| > a; | |
| 0 | |
| > a.next(); | |
| 1 | |
| > a.before(); | |
| Error: function before is not defined. | |
| > Counter.prototype.before = function() { | |
| > return this - 1; | |
| > }; | |
| > a.before() ; | |
| 0 |
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