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js实现下拉框效果(select)

作者:大大大大糖糖

本文主要介绍了js实现下拉框效果的方法实例。具有很好的参考价值。下面跟着小编一起来看下吧

效果图:

代码如下:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html >
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title></title>
  <style type="text/css">
    *{padding: 0;margin:0;}
    ul,li{list-style: none}
    .left{float: left;}
    .right{float: right;}
    .select_contain{font-size: 14px;color: #333;line-height: 38px;margin: 30px 0;}
    .select_item{margin-right: 50px;position: relative;}
    .select_tit{margin-right: 20px;}
    .select_result{width: 100px;line-height: 38px;border:1px solid #ccc;text-align: center;border-radius: 4px;text-indent: -8px;cursor:pointer;}
    .select_result .triangle{border:5px solid transparent;border-top:5px solid #666;position: absolute;top: 16px; right:8px;}
    .select_item ul{display:none;position:absolute;top:100%;right:0;width:100px;background: #f3f3f3;border:1px solid #ccc;border-radius:0 0 4px 4px; border-top-color:#f3f3f3;margin-top:-4px;}
    .select_item ul li{text-align: center;cursor: pointer;}
    .select_item ul li:hover{background: #f4a100; color: #fff;}
  </style>
  <script src="http://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
  <script>
  function select(){
    $(document).click(function(){
      $(".select_module_con ul").slideUp();
    })
    var module=$(".select_result"); 
    module.click(function(e){
      e.stopPropagation();
      var ul=$(this).next();
      ul.stop().slideToggle();
      ul.children().click(function(e){
        e.stopPropagation();
        $(this).parent().prev().children("span").text($(this).text());
        ul.stop().slideUp();
      })
    })
  }
  $(function(){
    select(); 
  })
  </script>
</head>
<body>
  <div class="select_contain">
      <div class="select_item clearfix left">
        <div class="select_tit left">选择节目:</div>
        <div class="select_module_con left">
          <div class="select_result">
            <span>选择节目</span>
            <div class="triangle"></div>
          </div>
          <ul>
            <li>节目1</li>
            <li>节目2</li>
            <li>节目3</li>
          </ul>
        </div>
      </div>
      <div class="select_item clearfix left">
        <div class="select_tit left">选择嘉宾:</div>
        <div class="select_module_con left">
          <div class="select_result">
            <span>选择嘉宾</span>
            <div class="triangle"></div>
          </div>
          <ul>
            <li>嘉宾1</li>
            <li>嘉宾2</li>
            <li>嘉宾3</li>
          </ul>
        </div>
      </div>
   </div>
</body>
</html>

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持脚本之家!

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