IDC资讯中心
<html>
<script language="jscript">
function numbercells()
{
var count=0;
for (i=0; i < document.all.mytable.rows.length; i++)
{
for (j=0; j < document.all.mytable.rows(i).cells.length; j++)
{
document.all.mytable.rows(i).cells(j).innertext = count;
count++;
}
}
}
function tb_addnew()
{
var ls_t=document.all("mytable")
maxcell=ls_t.rows(0).cells.length;
mynewrow = ls_t.insertrow();
for(i=0;i<maxcell;i++)
{
mynewcell=mynewrow.insertcell();
mynewcell.innertext="a"+i;
}
}
function tb_delete()
{
var ls_t=document.all("mytable");
ls_t.deleterow() ;
}
</script>
<body onload="numbercells()">
<table id=mytable border=1>
<tr><th> </th><th> </th><th> </th><th> </th></tr>
<tr><td> </td><td> </td><td> </td><td> </td></tr>
<tr><td> </td><td> </td><td> </td><td> </td></tr>
</table>
<input type=button value="新增" onclick="tb_addnew()">
<input type=button value="删除" onclick="tb_delete()" >
</body>
</html>
