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| .hide { | |
| display: none; | |
| } | |
| #lnkNew { | |
| font-size: .85em; | |
| font-weight: normal; | |
| margin-left: 1em; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="http://code.jquery.com/jquery-1.9.1.min.js"></script> | |
| <script> | |
| var cache = {}; | |
| function publish(topic, args) { | |
| cache[topic] && $.each(cache[topic], function () { | |
| this.apply($, args || []); | |
| }); | |
| } | |
| function subscribe(topic, callback) { | |
| if (!cache[topic]) { | |
| cache[topic] = []; | |
| } | |
| cache[topic].push(callback); | |
| return [topic, callback]; | |
| } | |
| function unsubscribe(handle) { | |
| //remove a subscribed function for a topic | |
| var t = handle[0]; | |
| cache[t] && $.each(cache[t], function (i) { | |
| if (this === handle[1]) { | |
| cache[t].splice(i, 1); | |
| } | |
| }); | |
| } | |
| $(document).ready(function() { | |
| $('#lnkNew').click(function() { | |
| publish('/person/add', []); | |
| }); | |
| $('#btnSubmit').click(function() { | |
| publish('/person/added', [$('#txtName').val()]); | |
| }); | |
| }); | |
| </script> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <div id="addPerson" class="hide"> | |
| <label for="txtName">Name:</label> | |
| <input type="text" id="txtName" /> | |
| <button id="btnSubmit">Add New Person</button> | |
| </div> | |
| <div id="people"> | |
| <h4>Publix Peeps <a href="#" id="lnkNew">Add Person</a></h4> | |
| <ul> | |
| <li>Shilpa</li> | |
| <li>Jeff</li> | |
| </ul> | |
| </div> | |
| </body> | |
| </html> |
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| function showAddForm() { | |
| $('#people').hide(); | |
| $('#addPerson').show(); | |
| } | |
| function addPerson(name) { | |
| $('ul').append('<li>' + name + '</li>'); | |
| $('#addPerson').hide(); | |
| $('#people').show(); | |
| } | |
| //subscriptions | |
| var addHandler = subscribe("/person/add", showAddForm); | |
| subscribe("/person/added", addPerson); | |
| setTimeout(function() { | |
| unsubscribe(addHandler); | |
| }, 8000); | |
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