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A simple todo list I'm using for an Intro to jQuery talk.
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| <!DOCTYPE hmtl> | |
| <html> | |
| <head><title>My todo list</title></head> | |
| <body> | |
| <h1>My todo list:</h1> | |
| <form> | |
| <input type="text" id="item" /> | |
| <input type="submit" id="save" value="Save" /> | |
| </form> | |
| <ul id="list"></ul> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> | |
| <script> | |
| $(document).ready(function() { | |
| // Load todo list from server. | |
| $.getJSON('http://localhost/server.php', function(res) { | |
| $('#list').html('<li>' + res.join('</li><li>') + '</li>'); | |
| }); | |
| // Add item to list. | |
| $("form").submit(function() { | |
| var item = $('#item').val(); | |
| $('#list').append('<li>' + item + '</li>'); | |
| save(); | |
| $('#item').val(''); | |
| return false; | |
| }); | |
| // Remove item from list. | |
| $('#list li').live('dblclick', function() { | |
| $(this).remove(); | |
| save(); | |
| }); | |
| // Save list to server. | |
| function save() { | |
| var items = $('#list li').map(function() { | |
| return $(this).text(); | |
| }).get(); | |
| $.ajax({ | |
| url: 'http://localhost/server.php', | |
| data: { list: items } | |
| }); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| <?php | |
| session_start(); | |
| // Initialize session if empty. | |
| if (!isset($_SESSION['list'])) { | |
| $_SESSION['list'] = array(); | |
| } | |
| // Update list. | |
| if (isset($_REQUEST['list'])) { | |
| $_SESSION['list'] = $_REQUEST['list']; | |
| } | |
| // Return list as JSON. | |
| header('Content-Type: application/json'); | |
| die(json_encode($_SESSION['list'])); |
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