<BODY>
<TABLE>
<TR id="ttr">
<TD><input type=button value="button"></TD>
<TD><input type=button value="button1"><input type=text value="text1"></TD>
<TD><input type=button value="button2"></TD>
</TR>
<TR>
<TD></TD>
<TD></TD>
<TD></TD>
</TR>
</TABLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
var ttr = document.all["ttr"].childNodes;
var ttr_child
for (i=0;i<ttr.length;i++) {
ttr_child = ttr[i].childNodes;
for (j=0;j<ttr_child.length;j++) {
document.write(ttr_child[j].value+"<br>");
}
}
//-->
</SCRIPT>
</BODY>
<TABLE>
<TR id="ttr">
<TD><input type=button value="button"></TD>
<TD><input type=button value="button1"><input type=text value="text1"></TD>
<TD><input type=button value="button2"></TD>
</TR>
<TR>
<TD></TD>
<TD></TD>
<TD></TD>
</TR>
</TABLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
var ttr = document.all["ttr"].childNodes;
var ttr_child
for (i=0;i<ttr.length;i++) {
ttr_child = ttr[i].childNodes;
for (j=0;j<ttr_child.length;j++) {
document.write(ttr_child[j].value+"<br>");
}
}
//-->
</SCRIPT>
</BODY>
<style>
.noChildElementsTr td *
{
display:none;
}
</style>
</head><body>
显示<input type=checkbox onclick="trObj.className=(this.checked?'':'noChildElementsTr')" checked>
<table width=100% >
<tr id=trObj>
<td>
aaa <input>
</td>
<td>
aaa <input>
</td>
<td>
aaa <input>
</td>
</tr>
</table></body></html>