Javascript DOM HTML TableRow rowIndex Property get

Introduction

Return the index position of each row in a table:

Click the button to return the position of each row in the table.

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<!DOCTYPE html>
<html>
<head>
<style>
table, td {
  border: 1px solid black;
}
</style>/*from   w w w  .j a v  a  2  s  .  c o  m*/
</head>
<body>

<table>
  <tr>
    <td>Row 1</td>
  </tr>
  <tr>
    <td>Row 2</td>
  </tr>
  <tr>
    <td>Row 3</td>
  </tr>
</table>
<p id="demo"></p>

<button onclick="myFunction()">Test</button>

<script>
function myFunction() {
  var x = document.getElementsByTagName("tr");
  var txt = "";
  var i;
  for (i = 0; i < x.length;i++) {
    txt = txt + "The index of Row "+(i+1)+" is: "+x[i].rowIndex+"<br>";
  }
  document.getElementById("demo").innerHTML = txt;
}
</script>

</body>
</html>



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