Created
March 12, 2017 03:26
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proper module pattern for node.js
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script> | |
| <script type="text/javascript" src="js/pingpong.js"></script> | |
| <script type="text/javascript" src="js/pingpong-interface.js"></script> | |
| <title>Ping Pong</title> | |
| </head> | |
| <body> | |
| <form id="ping-pong-form"> | |
| <label for="goal">Enter a number:</label> | |
| <input id="goal" type="number"> | |
| <button type="submit">Submit</button> | |
| </form> | |
| <ul id="solution"></ul> | |
| </body> | |
| </html> |
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| var myModule = require('./pingpong.js'); | |
| $(document).ready(function() { | |
| $('#ping-pong-form').submit(function(event) { | |
| event.preventDefault(); | |
| var goal = $('#goal').val(); | |
| var output = myModule.pingityPongity(goal); | |
| output.forEach(function(element) { | |
| $('#solution').append("<li>" + element + "</li>"); | |
| }); | |
| }); | |
| }); |
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| module.exports = (function(){ | |
| function pingPong(goal) { | |
| var output = []; | |
| for (var i = 1; i <= goal; i++) { | |
| if (i % 15 === 0) { | |
| output.push("ping-pong"); | |
| } else if (i % 5 === 0) { | |
| output.push("pong"); | |
| } else if (i % 3 === 0) { | |
| output.push("ping"); | |
| } else { | |
| output.push(i); | |
| } | |
| } | |
| return output; | |
| } | |
| return { | |
| pingityPongity: pingPong // this is exposed to the outside because it's a returned key-value pair | |
| }; | |
| }()); | |
| // https://toddmotto.com/mastering-the-module-pattern/ |
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