JS习题-模拟select

JS练习-模拟select

JQ的，写的不好~

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<ul id="main_box">  <li name="code"> $('.son_ul').hide(); //初始ul隐藏 $('.select_box span').hover(function(){ //鼠标移动函数  $(this).parent().find('ul.son_ul').slideDown();  //找到ul.son_ul显示  $(this).parent().find('li').hover(function(){$(this).addClass('hover')},function(){$(this).removeClass('hover')}); //li的hover效果  $(this).parent().hover(function(){}, function(){ $(this).parent().find("ul.son_ul").slideUp();  } );  },function(){}  ); $('ul.son_ul li').click(function(){  $(this).parents('li').find('span').html($(this).html());  $(this).parents('li').find('ul').slideUp();  }); } );

* {margin:0; padding:0; font-size:12px;}ul,li {list-style-type:none;}.select_box {width:150px; border:1px solid #ccc; padding-right:20px; padding-left:10px; background:url(107.gif) no-repeat 160px center; position:relative;}.select_box span {cursor:pointer; display:block; line-height:25px; width:100%; height:25px; overflow:hidden;}.select_box ul li {cursor:pointer;}.son_ul {width:179px; position:absolute; left:0; top:25px; border:1px dashed #ccc; background:#fff;}.son_ul li {display:block; line-height:25px; padding-left:10px; width:169px}.hover {background:#ccc;}