JavaScript Reference/Javascript Properties/cellIndex

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"cellIndex" Example

    
<html>
<body>
Click in any cell to view the cellIndex value.
<table id="myTable" cols="3">
    <tr>
       <th id="th1" onclick="function1(this);">Header 1</th>
       <th id="th2" onclick="function1(this);">Header 2</th>
       <th id="th3" onclick="function1(this);">Header 3</th>
    </tr>
    <tr>
       <td id="td1" onclick="function1(this);">Cell 1</td>
       <td id="td2" onclick="function1(this);">Cell 2</td>
       <td id="td3" onclick="function1(this);">Cell 3</td>
    </tr>
</table>
<br>
<button onclick="alert(myTable.cols);">cols</button>
<script language="JavaScript">
    function function1(elem) {
        alert("Cell Index :"+ elem.cellIndex);
    }
</script>
</body>
</html>



"cellIndex" is applied to

+----------------+--------------------------------------------------------------+
| Applied_To     |<td>                            <th>                          |
+----------------+--------------------------------------------------------------+



"cellIndex" Syntax and Note

Note:
Read-only property. 
Returns the zero-based index of the cell in its row.
    
Syntax:
    
document.getElementById("elementID").cellIndex
document.all.elementID.cellIndex // IE only
Источник — «http://wbex.ru/index.php?title=JavaScript_Reference/Javascript_Properties/cellIndex&oldid=7381»