標籤：c style class blog code java
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2 <html> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5 <script type="text/javascript" src="../js/jquery-1.4.2.js"></script> 6 <title>test</title> 7 </head> 8 <body> 9 <input type="text" id="username" value="asdf">10 <script type="text/javascript">11 12 var $jq=$("#username");13 alert($jq.val());14 // 以下兩種方式等同 //jQuery轉換成 dom對象15 var dom1=$jq[0];16 var dom2=($jq).get(0);17 alert(dom1.value);18 alert(dom2.value);19 //轉換 dom對象轉換成jQuery對象20 var $jj=$(dom1);21 alert($jj.val()+"wwwwwwww");22 </script>23 </body>24 </html>
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