<!DOCTYPE html>
<html>
<head>
<style>
table, td {
border: 1px solid black;
}
#myTABLE {
width: 100%;
}
</style>
</head>
<body>
<p>Click the "Try it" button to set table-layout property of the TABLE to "fixed":</p>
<button onclick="myFunction()">Try it</button>
<table id="myTABLE">
<tr>
<td>1000000000000000000000000000</td>
<td>10000000</td>
</tr>
<tr>
<td>John</td>
<td>Smith</td>
</tr>
<tr>
<td>Jane</td>
<td>Doe</td>
</tr>
</table>
<script>
function myFunction() {
document.getElementById("myTABLE").style.tableLayout = "fixed";
}
</script>
</body>
</html>