javascript - What does the #feedback selector reference in the JQueryUI demos -


i'm looking @ "selectable" demos. here example code reference:

<style>   #feedback { font-size: 1.4em; }   #selectable .ui-selecting { background: #feca40; }   #selectable .ui-selected { background: #f39814; color: white; }   #selectable { list-style-type: none; margin: 0; padding: 0; width: 60%; }   #selectable li { margin: 3px; padding: 0.4em; font-size: 1.4em; height: 18px; }   </style>   <script>   $(function() {     $( "#selectable" ).selectable();   });   </script> </head> <body>  <ol id="selectable">   <li class="ui-widget-content">item 1</li>   <li class="ui-widget-content">item 2</li>   <li class="ui-widget-content">item 3</li>   <li class="ui-widget-content">item 4</li>   <li class="ui-widget-content">item 5</li>   <li class="ui-widget-content">item 6</li>   <li class="ui-widget-content">item 7</li> </ol>   </body> </html>

none of html contains id of "feedback" , i've tried commenting #feedback styling in , out, can't see difference.

thanks

i think copy-paste of example css code of jquery ui selectable. needed third example serialize @ <p id="feedback">.

demo code:

<html lang="en"> <head>   <meta charset="utf-8" />   <title>jquery ui selectable - serialize</title>   <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" />   <script src="http://code.jquery.com/jquery-1.9.1.js"></script>   <script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>   <link rel="stylesheet" href="/resources/demos/style.css" />    <style>   #feedback { font-size: 1.4em; }   #selectable .ui-selecting { background: #feca40; }   #selectable .ui-selected { background: #f39814; color: white; }   #selectable { list-style-type: none; margin: 0; padding: 0; width: 60%; }   #selectable li { margin: 3px; padding: 0.4em; font-size: 1.4em; height: 18px; }   </style>   <script>   $(function() {     $( "#selectable" ).selectable({       stop: function() {         var result = $( "#select-result" ).empty();         $( ".ui-selected", ).each(function() {           var index = $( "#selectable li" ).index( );           result.append( " #" + ( index + 1 ) );         });       }     });   });   </script> </head> <body>  <p id="feedback"> <span>you've selected:</span> <span id="select-result">none</span>. </p>  <ol id="selectable">   <li class="ui-widget-content">item 1</li>   <li class="ui-widget-content">item 2</li>   <li class="ui-widget-content">item 3</li>   <li class="ui-widget-content">item 4</li>   <li class="ui-widget-content">item 5</li>   <li class="ui-widget-content">item 6</li> </ol>   </body> </html>

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