JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <th>Name</th>
        <th>Id</th>
        <th>Value</th>
    </tr>
    <tr>
        <td>Ankaran</td>
        <td>101</td>
        <td>1</td>
    </tr>
    <tr>
        <td>Ljubljana</td>
        <td>102</td>
        <td>213</td>
    </tr>
    <tr>
        <td>Celje</td>
        <td>103</td>
        <td>71</td>
    </tr>
    <tr>
        <td>PortoroĹľ</td>
        <td>104</td>
        <td>-2</td>
    </tr>
</table>

JavaScript

var ok = $('table tr td:last-child').map(function () {
    return $(this).text();
}).get().sort(function (x, y) {
    return x - y
});

alert(ok[0] + ' - is the smallest');