2016-03-01 40 views
1

我真的需要你的幫助。使用jQuery觸發自定義UL LI框中的更改事件

如何修改代碼,以便我可以在自定義UL LI框中獲取更改事件。例如,如果用戶要改變蔬菜或水果盒,代碼會提醒用戶已做出改變?

這裏是下面的完整的標記:

<!DOCTYPE html> 
 

 
<html> 
 

 
    <head> 
 

 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 
 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 

 

 
    <style type="text/css"> 
 
     * { 
 
     font-family: Segoe UI; 
 
     font-size: 9pt; 
 
     } 
 
     .select { 
 
     margin: 0; 
 
     padding: 0; 
 
     } 
 
     .select dd, .select dt, .select ul { 
 
     margin: 0px; 
 
     padding: 0px; 
 
     } 
 
     .select dd { 
 
     position: relative; 
 
     } 
 
     .select a, .select a:visited { 
 
     color: #000; 
 
     text-decoration: none; 
 
     outline: none; 
 
     } 
 
     .select dt:hover, .select dd ul:hover { 
 
     border-color: rgb(128,128,128); 
 
     } 
 
     .select dd ul li a:hover { 
 
     background-color: rgb(112, 146, 190); 
 
     color: #FFF; 
 
     } 
 
     .select dt { 
 
     background: url(arrow.png) no-repeat scroll right center; 
 
     display: block; 
 
     padding-right: 20px; 
 
     border: 1px solid rgb(170, 170, 170); 
 
     width: 180px; 
 
     overflow: hidden; 
 
     } 
 
     .select dt span { 
 
     cursor: pointer; 
 
     display: block; 
 
     padding: 4px; 
 
     height: 15px; 
 
     } 
 
     .select dd ul { 
 
     background: #fff none repeat scroll 0 0; 
 
     border-bottom: 1px solid rgb(170, 170, 170); 
 
     border-left: 1px solid rgb(170, 170, 170); 
 
     border-right: 1px solid rgb(170, 170, 170); 
 
     border-top: 0; 
 
     display: none; 
 
     left: 0px; 
 
     padding: 5px 0px; 
 
     position: absolute; 
 
     top: -1px; 
 
     width: auto; 
 
     min-width: 200px; 
 
     list-style: none; 
 
     } 
 
     .select dd ul li a { 
 
     padding-left: 10px; 
 
     padding-top: 3px; 
 
     padding-bottom: 3px; 
 
     display: block; 
 
     } 
 
     .selected { 
 
     background: rgb(195, 195, 195); 
 
     } 
 
     .header-list, .header-list:hover { 
 
     padding-left: 3px; 
 
     font-weight: bold; 
 
     font-style: italic; 
 
     cursor: pointer; 
 
     } 
 

 
    </style> 
 

 
    <script type="text/javascript"> 
 

 
     $(document).ready(function() { 
 

 
     $(".select dt").click(function(e) { 
 
      e.stopPropagation(); 
 
      var select = $(this).closest('.select'); 
 
      // close all other selects 
 
      $('.select').not(select).find('ul').hide(); 
 

 
      select.find('ul').toggle(); 
 
      select.find("dt, dd ul").css('border-color', 'rgb(128,128,128)') 
 

 
      select.find("dt, span, dd ul").css('background-color', 'rgb(255,255,196)') 
 

 
     }); 
 

 
     $(".select dd ul li a").click(function(e) { 
 
      var text = $(this).html(); 
 
      var select = $(this).closest('.select'); 
 

 
      if ((select.data('val') == 'multiple') && (e.ctrlKey)) { 
 
      e.stopPropagation() 
 
      $(this).addClass('selected'); 
 
      select.find('dt span').html("(" + select.find('a.selected').length + ")"); 
 

 
      } 
 
      else { 
 
      var text = $(this).html(); 
 
      select.find("dd a").removeClass('selected'); 
 
      $(this).addClass('selected'); 
 
      select.find("dt span").html(text); 
 
      //select.find("dt a").css("background-color", ""); 
 
      select.find("dd ul").hide(); 
 
      } 
 
     }); 
 

 
     $(document).bind('click', function() { 
 
      $(".select dd ul").hide(); 
 
      $(".select dt, .select dd ul").css('border-color', ''); 
 
     }); 
 

 
     }); 
 
    </script> 
 

 
    </head> 
 

 
    <body> 
 

 
    <dl class="select"> 
 
     <dt><span id="vegetables"></span></dt> 
 
     <dd> 
 
     <ul> 
 
      <li><a href="#">&nbsp;</a></li> 
 
      <li><a href="#">Carrots</a></li> 
 
      <li><a href="#">Celery</a></li> 
 
      <li><a href="#">Brocoli</a></li> 
 
     </ul> 
 
     </dd> 
 
    </dl> 
 

 

 
    <dl class="select"> 
 
     <dt><span id="fruits"></span></dt> 
 
     <dd> 
 
     <ul> 
 
      <li><a href="#">&nbsp;</a></li> 
 
      <li><a href="#">Apples</a></li> 
 
      <li><a href="#">Oranges</a></li> 
 
      <li><a href="#">Bananas</a></li> 
 
     </ul> 
 
     </dd> 
 
    </dl> 
 

 

 
    </body> 
 

 
</html>

+0

,美結合的Click事件到自定義選擇的事實似乎是正確的做法。它不工作? – Mox

回答

0

你可以使用:

$(".select ul").on('click', function(e) { 
    alert('change has been made'); 
}); 

希望這有助於。


<!DOCTYPE html> 
 

 
<html> 
 

 
    <head> 
 

 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 
 

 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 

 
    <style type="text/css"> 
 
     * { 
 
     font-family: Segoe UI; 
 
     font-size: 9pt; 
 
     } 
 
     .select { 
 
     margin: 0; 
 
     padding: 0; 
 
     } 
 
     .select dd, .select dt, .select ul { 
 
     margin: 0px; 
 
     padding: 0px; 
 
     } 
 
     .select dd { 
 
     position: relative; 
 
     } 
 
     .select a, .select a:visited { 
 
     color: #000; 
 
     text-decoration: none; 
 
     outline: none; 
 
     } 
 
     .select dt:hover, .select dd ul:hover { 
 
     border-color: rgb(128,128,128); 
 
     } 
 
     .select dd ul li a:hover { 
 
     background-color: rgb(112, 146, 190); 
 
     color: #FFF; 
 
     } 
 
     .select dt { 
 
     background: url(arrow.png) no-repeat scroll right center; 
 
     display: block; 
 
     padding-right: 20px; 
 
     border: 1px solid rgb(170, 170, 170); 
 
     width: 180px; 
 
     overflow: hidden; 
 
     } 
 
     .select dt span { 
 
     cursor: pointer; 
 
     display: block; 
 
     padding: 4px; 
 
     height: 15px; 
 
     } 
 
     .select dd ul { 
 
     background: #fff none repeat scroll 0 0; 
 
     border-bottom: 1px solid rgb(170, 170, 170); 
 
     border-left: 1px solid rgb(170, 170, 170); 
 
     border-right: 1px solid rgb(170, 170, 170); 
 
     border-top: 0; 
 
     display: none; 
 
     left: 0px; 
 
     padding: 5px 0px; 
 
     position: absolute; 
 
     top: -1px; 
 
     width: auto; 
 
     min-width: 200px; 
 
     list-style: none; 
 
     } 
 
     .select dd ul li a { 
 
     padding-left: 10px; 
 
     padding-top: 3px; 
 
     padding-bottom: 3px; 
 
     display: block; 
 
     } 
 
     .selected { 
 
     background: rgb(195, 195, 195); 
 
     } 
 
     .header-list, .header-list:hover { 
 
     padding-left: 3px; 
 
     font-weight: bold; 
 
     font-style: italic; 
 
     cursor: pointer; 
 
     } 
 

 
    </style> 
 

 
    <script type="text/javascript"> 
 

 
     $(document).ready(function() { 
 

 
     $(".select ul").on('click', function(e) { 
 
      alert('change has been made'); 
 
     }); 
 

 
     $(".select dt").click(function(e) { 
 
      e.stopPropagation(); 
 
      var select = $(this).closest('.select'); 
 
      // close all other selects 
 
      $('.select').not(select).find('ul').hide(); 
 

 
      select.find('ul').toggle(); 
 
      select.find("dt, dd ul").css('border-color', 'rgb(128,128,128)') 
 

 
      select.find("dt, span, dd ul").css('background-color', 'rgb(255,255,196)') 
 

 
     }); 
 

 
     $(".select dd ul li a").click(function(e) { 
 
      var text = $(this).html(); 
 
      var select = $(this).closest('.select'); 
 

 
      if ((select.data('val') == 'multiple') && (e.ctrlKey)) { 
 
      e.stopPropagation() 
 
      $(this).addClass('selected'); 
 
      select.find('dt span').html("(" + select.find('a.selected').length + ")"); 
 

 
      } 
 
      else { 
 
      var text = $(this).html(); 
 
      select.find("dd a").removeClass('selected'); 
 
      $(this).addClass('selected'); 
 
      select.find("dt span").html(text); 
 
      //select.find("dt a").css("background-color", ""); 
 
      select.find("dd ul").hide(); 
 
      } 
 
     }); 
 

 
     $(document).bind('click', function() { 
 
      $(".select dd ul").hide(); 
 
      $(".select dt, .select dd ul").css('border-color', ''); 
 
     }); 
 

 
     }); 
 
    </script> 
 

 
    </head> 
 

 
    <body> 
 

 
    <dl class="select"> 
 
     <dt><span id="vegetables"></span></dt> 
 
     <dd> 
 
     <ul> 
 
      <li><a href="#">&nbsp;</a></li> 
 
      <li><a href="#">Carrots</a></li> 
 
      <li><a href="#">Celery</a></li> 
 
      <li><a href="#">Brocoli</a></li> 
 
     </ul> 
 
     </dd> 
 
    </dl> 
 

 

 
    <dl class="select"> 
 
     <dt><span id="fruits"></span></dt> 
 
     <dd> 
 
     <ul> 
 
      <li><a href="#">&nbsp;</a></li> 
 
      <li><a href="#">Apples</a></li> 
 
      <li><a href="#">Oranges</a></li> 
 
      <li><a href="#">Bananas</a></li> 
 
     </ul> 
 
     </dd> 
 
    </dl> 
 

 

 
    </body> 
 

 
</html>

+1

https://api.jquery.com/change/ 根據文檔,這不會在他的代碼上工作。 「此事件限於元素,