日期:2014-05-17 浏览次数:20724 次
<script type="text/javascript"> <!-- var lastSelected; //最后点击的元素 function over(obj){ obj.style.backgroundColor="red"; } function out(obj){ if(obj == lastSelected ) obj.style.backgroundColor="green"; else obj.style.backgroundColor="white"; } function clicked(obj){ if(lastSelected != null) { lastSelected.style.backgroundColor="white"; } lastSelected = obj; obj.style.backgroundColor="green"; } //--> </script> </head> <body> <table border="1"> <tr onmouseover="over(this)" onmouseout="out(this)" onclick="clicked(this)"> <td>1111</td> <td>2222</td> <td>3333</td> </tr> <tr onmouseover="over(this)" onmouseout="out(this)" onclick="clicked(this)"> <td>1111</td> <td>2222</td> <td>3333</td> </tr> </table> </body>