come in=>
<html>
<head>
<script>
function test()
{
var theTable = document.getElementById("tb");
var remove = theTable.deleteRow(1);
var button = document.getElementById("btn");
button.disabled=true;
}
</script>
</head>
<body>
<table id="tb" border=1>
<tr ><td><input id="btn" type=button value=delete onclick="test();"></td></tr>
<tr><td>this will be deleted</td></tr>
<tr><td>test</td></tr>
</table>
</body>
</html>
<head>
<script>
function test()
{
var theTable = document.getElementById("tb");
var remove = theTable.deleteRow(1);
var button = document.getElementById("btn");
button.disabled=true;
}
</script>
</head>
<body>
<table id="tb" border=1>
<tr ><td><input id="btn" type=button value=delete onclick="test();"></td></tr>
<tr><td>this will be deleted</td></tr>
<tr><td>test</td></tr>
</table>
</body>
</html>