描述问题场景：
1.jquery使用的版本是jquery-1.7.2.min.js
2.代码不是写在页面上的，是通过事件后追加的
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title></title> 6 <script src="js/jquery-1.7.2.min.js" type="text/javascript" charset="utf-8"></script> 7 <script src="js/My97DatePicker/WdatePicker.js" type="text/javascript" charset="utf-8"></script> 8 </head> 9 <body> 10 <div class="main"> 11 12 </div> 13 <input type="button" id="ceshi" value="点击" onclick="ceshiClick()"/> 14 </body> 15 <script type="text/javascript"> 16 var str = "<input id='d4315' class='time_start Wdate clearInput' type='text' onFocus=\"WdatePicker({maxDate:'#F{$dp.$D(\\'d4316\\')||\\'%y-%M-%d\\'}',onpicked:function(){$('#d4316').focus();}})\"><span>-</span><input id='d4316' class='time_end Wdate clearInput' type='text' onFocus=\"WdatePicker({maxDate:'%y-%M-%d',minDate:'#F{$dp.$D(\\'d4315\\')}'})\">"; 17 function ceshiClick(){ 18 $('.main').html(str); 19 } 20 </script> 21 </html>