append追加元素后click失效 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
</head>
<body>
    <ul class="type_list" id="type_list_1">
        <li class="active">全部</li>
    </ul>
    <span class="test">测试</span>
</body>
<script>
$(function() {
      $('#type_list_1 li').click(function(event) {
          console.log('123');
      });
      $('#type_list_1 li').on('click', function() {
          console.log('456');
      });
　　　　　//追加的元素用 此方法可用
      $(document).on('click', '#type_list_1 li', function() {
          console.log('789');
      });
      $('.test').click(function() {
          $('#type_list_1').append('<li>歌剧</li>');
      });
  });

</script>
</html>

 

posted @ 2018-08-23 12:21  za_szybko  阅读(512)  评论(0)  编辑  收藏  举报