How To Get HTML Table Column Minimum Value In Javascript [ with source code ]

In This Javascript Tutorial we will See How To Find The Minimum Value In An HTML Table Column using JS And Netbeans Editor .

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Project Source Code:


<!DOCTYPE html>

<html>
    <head>
        <title>Javascript Min Val From Table Column</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>

        <table id="table" border="1">
            <tr>
                <th>First Name</th>
                <th>Last Name</th>
                <th>Age</th>
            </tr>
            <tr>
                <td>A1</td>
                <td>B1</td>
                <td>43</td>
            </tr>
            <tr>
                <td>A2</td>
                <td>B2</td>
                <td>28</td>
            </tr>
            <tr>
                <td>A3</td>
                <td>B3</td>
                <td>15</td>
            </tr>
            <tr>
                <td>A4</td>
                <td>B4</td>
                <td>50</td>
            </tr>
            <tr>
                <td>A5</td>
                <td>B5</td>
                <td>31</td>
            </tr>
            <tr>
                <td>A6</td>
                <td>B6</td>
                <td>45</td>
            </tr>
            <tr>
                <td>A7</td>
                <td>B7</td>
                <td>18</td>
            </tr>
        </table>
        <span id="val"></span>
        <script>

            var table = document.getElementById("table"), minVal;

            for(var i = 1; i < table.rows.length; i++)
            {
                // if its the first row get the value
                if(i === 1){minVal = table.rows[i].cells[2].innerHTML; }

                // test with the other values
                else if(minVal > table.rows[i].cells[2].innerHTML)
                {
                    minVal = table.rows[i].cells[2].innerHTML;
                }
            }
            document.getElementById("val").innerHTML = " Minimum Value = "+minVal;
            console.log(maxVal);

        </script>

    </body>
</html>

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