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<!DOCTYPE html>
<html>
<head>
<style>
table, td {
  border: 1px solid black;
}
</style>
</head>
<body>
​
<p>Click on each tr element to alert its index position in the table:</p>
​
<table>
  <tr onclick="myFunction(this)">
    <td>Click to show rowIndex</td>
  </tr>
  <tr onclick="myFunction(this)">
    <td>Click to show rowIndex</td>
  </tr>
  <tr onclick="myFunction(this)">
    <td>Click to show rowIndex</td>
  </tr>
</table>
​
<script>
function myFunction(x) {
  alert("Row index is: " + x.rowIndex);
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_tr_rowindex by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:17:50 GMT -->
</html>
​
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