Javascript Reference - HTML DOM TableHeader cellIndex Property

The cellIndex property returns the index of a cell in the cells collection of a table row.

Browser Support


`cellIndex`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the cellIndex property.

tableheaderObject.cellIndex

Return Value

A Number type value representing the position of the cell in the cells collection of a table row.

Example

The following code shows how to click on different cells to output their index position.


<!DOCTYPE html>
<html>
<head>
<style>
table, th {<!--from w  w  w  . j  a  v  a 2  s  .  c  o  m-->
    border: 1px solid black;
}
</style>
</head>
<body>
<table>
  <tr>
    <th onclick="myFunction(this)">Click to show cellIndex</th>
    <th onclick="myFunction(this)">Click to show cellIndex</th>
    <th onclick="myFunction(this)">Click to show cellIndex</th>
    <th onclick="myFunction(this)">Click to show cellIndex</th>
  </tr>
</table>

<script>
function myFunction(x) {
    console.log("Cell index is: " + x.cellIndex);
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to get the index position of each cell in a table row.


<!DOCTYPE html>
<html>
<head>
<style>
table, th {<!--from   www  .  j  ava  2 s.  c o  m-->
    border: 1px solid black;
}
</style>
</head>
<body>

<table border="1">
  <tr>
    <th>Cell 1</th>
    <th>Cell 2</th>
    <th>Cell 3</th>
    <th>Cell 4</th>
  </tr>
</table>
<button onclick="myFunction()">test</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementsByTagName("th");
    var i;
    for (i = 0; i < x.length; i++) {
        console.log("The index of Cell "+(i+1)+" is: "+x[i].cellIndex);
    }
}
</script>

</body>
</html>

The code above is rendered as follows: