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<head> <meta charset="UTF-8"> <title>jquery 樣式操做 </title> <style type="text/css"> .addBg { background: #FF0000; color: #0000CC; } .bigger { font-size: 20px; } </style> <script type="text/javascript" src="comm/js/jquery-2.1.1.js"></script> <script type="text/javascript"> $(function() { //addClass是添加一個樣式 removeClass是移除一個樣式 $('thead tr').addClass('addBg').addClass('bigger').removeClass('addBg') //hasClass判斷是否有一個樣式 //alert($('thead tr').hasClass('bigger')); //鼠標移動表格變色 $('tbody tr').mouseover(changeColor).mouseout(changeColor) }); function changeColor(){ $(this).toggleClass('addBg'); } </script> </head> <body> <table id="tus" width="700" align="center" border="1"></table> <table id="users" width="700" align="center" border="1"> <thead> <tr> <td title="id">ID</td> <td title="name">NAME</td> <td title="password">PASSWORD</td> </tr> </thead> <tbody> <tr id="abc"> <td>1</td> <td>jim</td> <td>abc</td> </tr> <tr> <td>2</td> <td>tom</td> <td>dfg</td> </tr> <tr> <td>3</td> <td>green</td> <td>ert</td> </tr> </tbody> </table> </body>
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