jquery基本選取器(.class選取器)

標籤：

//通過class屬性值匹配元素
<!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>  <title>.class選取器</title>  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />  <style type="text/css">  .class1{color:red;}  </style>  <script  type="text/javascript" src="jquery-1.7.1.min.js"></script>  <script type="text/javascript">        window.onload=function(){            document.getElementById(‘btnOk‘).onclick=function(){                $(‘ .class1 ‘).html(‘php‘); //把使用.class1的元素匹配並內容替換            };        };  </script> </head> <body>  <div id="div1">div1</div>  <hr/>  <div class="class1">div2</div>  <hr/>  <p class="class1">楊</p>  <input type="button" id=‘btnOk‘ value=‘確定‘  /> </body></html>

 

jquery基本選取器(.class選取器)