Created
October 25, 2011 23:52
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Module Pattern
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| <html> | |
| <script type="text/javascript"> | |
| // Test of the module pattern from Douglas Crockford's | |
| // "Javascript: The Good Parts" pages 41 & 42 | |
| console.log("Starting module test...") | |
| var serial_maker = function () { | |
| var prefix = ''; | |
| var seq = 0; | |
| return { | |
| set_prefix: function (p) { | |
| prefix = String(p); | |
| }, | |
| set_seq: function (s) { | |
| seq = s; | |
| }, | |
| gensym: function () { | |
| var ret_val = prefix + seq; | |
| seq += 1; | |
| return ret_val; | |
| } | |
| }; | |
| }(); | |
| // Setup details | |
| serial_maker.set_prefix('Q'); | |
| serial_maker.set_seq(1000); | |
| // Test details | |
| console.log("Unique:", serial_maker.gensym()); | |
| console.log("Unique:", serial_maker.gensym()); | |
| console.log("Unique:", serial_maker.gensym()); | |
| </script> | |
| <body> | |
| <h3> Test Page</h3> | |
| </body></html> |
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