JavaScript從HTML Table中取得某儲存格Cell中的資料

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上載者:User
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>

    <script type="text/javascript">
        //code from NC01 http://forums.asp.net/t/1395561.aspx
        function getTableColumnValue(tableId, rowNumber, columnNumber) {
            var tableRef = document.getElementById(tableId);

            var elementRef = tableRef.rows[rowNumber].cells[columnNumber];
            var elementValue = '';

            if (elementRef.textContent) {
                // Firefox
                elementValue = elementRef.textContent;
            }
            else if (elementRef.innerText) {
                // IE
                elementValue = elementRef.innerText;
            }
            else {
                // Default
                elementValue = elementRef.innerHTML;
                var regExp = /<\/?[^>]+>/gi;

                elementValue = elementValue.replace(regExp, '');
            }

            //alert(elementValue);

            return elementValue;
        }
    </script>

</head>
<body>
    <table border="1" id="myTable">
        <tr>
            <td>
                aa
            </td>
            <td>
                bb
            </td>
            <td>
                cc
            </td>
        </tr>
        <tr>
            <td>
                dd
            </td>
            <td>
                ee
            </td>
            <td>
                ff
            </td>
        </tr>
        <tr>
            <td>
                gg
            </td>
            <td>
                hh
            </td>
            <td>
                ii
            </td>
        </tr>
    </table>
    <input type="button" value="click" onclick="this.value=getTableColumnValue('mytable',1, 2);">
</body>
</html>

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