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<!DOCTYPE html>
<html>
<head>
<style>
table, th {
  border: 1px solid black;
}
</style>
</head>
<body>
​
<table id="myTable">
  <tr id="myTr">
  </tr>
</table>
​
<p>Click the button to create a TH element.</p>
​
<button onclick="myFunction()">Try it</button>
​
<script>
function myFunction() {
  var x = document.createElement("TH");
  var t = document.createTextNode("table header cell");
  x.appendChild(t);
  document.getElementById("myTr").appendChild(x);
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_th_create by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:08:22 GMT -->
</html>
​
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