var div = document.getElementById("a");
var table = div.getElementsByTagName("TABLE")[0];
alert("表格行数 = "+ table.rows.length);
alert("表格列数 = "+ table.rows[0].cells.length);
var table = div.getElementsByTagName("TABLE")[0];
alert("表格行数 = "+ table.rows.length);
alert("表格列数 = "+ table.rows[0].cells.length);
var d=document.getElementById('a');
for(var i=0;i<d.childNodes.length;i++)
{
if(d.childNodes[i].tagName&&d.childNodes[i].tagName=='TABLE')
{
var tb=d.childNodes[i];
alert('行数:'+tb.rows.length.toString());
alert(''+tb.rows[0].childNodes.length.toString());
break;
}
}
</script>