用JS获得表格当前行数的代码_javascript技巧

<script language="javascript"> <!-- function fnGetTable( oEl ) { try{ while( null != oEl && oEl.tagName!="TABLE" ) { oEl = oEl.parentElement; } return oEl; } catch(e) { return null; } } function pos() { try{ oElement = document.elementFromPoint(event.x,event.y); oElement = fnGetTable(oElement); if(oElement.tagName=="TABLE") alert("当前位置"+oElement.id); } catch(e) {} } // --> </script> <table border="1" cellpadding="" cellspacing="" width="" id="table1"> <tr> <td>table1</td> </tr> </table> <table border="1" cellpadding="" cellspacing="" width="" id="table2"> <tr> <td>table2</td> </tr> </table> <table border="1" cellpadding="" cellspacing="" width="" id="table3"> <tr> <td>table3</td> </tr> </table> <table border="1" cellpadding="" cellspacing="" width="" id="table4"> <tr> <td>table4</td> </tr> </table> <table border="1" cellpadding="" cellspacing="" width="" id="table5"> <tr> <td>table5</td> </tr> </table> <table border="1" cellpadding="" cellspacing="" width="" id="table6"> <tr> <td>table6</td> </tr> </table>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>无标题文档</title> <table width="100%" border="1"> <tr> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> </tr> </table> <script language="javascript" type="text/javascript"> document.body.onclick=function(e){ e=e|| window.event; var obj=e.target || e.srcElement; if(obj.tagName=="TD"){ obj=obj.parentNode; } alert(obj.rowIndex); } </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]