Created
March 13, 2016 06:27
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Revealing prototype pattern
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Revealing Prototype Pattern</title> | |
| <script> | |
| window.onload = function () { | |
| var calc = new Calculator('Output'); | |
| calc.add(2,2); | |
| calc.subtract(2,2); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div id="Output"></div> | |
| <script> | |
| // constructor | |
| var Calculator = function(eq) { | |
| // state goes here | |
| this.eqCtl = document.getElementById(eq); | |
| } | |
| Calculator.prototype = function() { | |
| //private members | |
| var add = function(x,y) { | |
| this.eqCtl.innerHTML = x + y; | |
| }, | |
| subtract = function (x,y) { | |
| alert(x - y); | |
| } | |
| //public members | |
| return { | |
| add: add, | |
| subtract: subtract | |
| }; | |
| }(); | |
| </script> | |
| </body> | |
| </html> |
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