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<!DOCTYPE html>
<html>
<head>
<style> 
table, td {
  border: 1px solid black;
}
#myTABLE {
  width: 100%;
}
</style>
</head>
<body>
<h1>Change table-layout with JavaScript</h1>
<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>