jquery的链式操作以及事件绑定

时间：2023-12-29 22:18:56
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 <html xmlns="http://www.w3.org/1999/xhtml">

 <head>

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

 <title>无标题文档</title>

 <script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script>

 <script>

 $(function(){

     //$('div').find('h3').eq(2).css('background','red');

     /*var oDiv = $('div');

     var aH3 = oDiv.find('h3');

     var oH3_2 = aH3.eq(2);

     oH3_2.css('background','red');*/

     $('div').find('h3').eq(2).css('background','red').end().eq(4).css('background','green').end().end().css('border','1px red solid');

     //事件绑定

     $('.txt').bind('focus',{msg1:'I am msg1',msg2:'我是msg 2'},function(e){

         $('#divTip').show().html(e.data.msg1);

     });

 });

 </script>

 </head>

 <body>

 <div>

     <h3>11111</h3>

     <h3>22222</h3>

     <h3>33333</h3>

     <h3>44444</h3>

     <h3>55555</h3>

 </div>

 <div>姓名：<input type="text" class="txt" /></div>

 <div id="divTip" class="clsTip"></div>

 </body>

 </html>

相关文章