JSFiddle - React, Tailwind, and code Playground

HTML

<form action="http://www.hashemian.com/tools/form-post-tester.php" method="post">
<table id="job_list" border=1>
    <tr>
        <td>UPC</td>
        <td>started at</td>
        <td>by</td>
        <td>status</td>
    </tr>
    <tr><input type=hidden name=id value=45745414>
        <td>45745414</td>
        <td>16/03/2015 8:57:15 AM</td>
        <td>Peter</td>
        <td>Red</td>
    </tr>
        <tr><input type=hidden name=id value=45753684>
        <td>45753684</td>
        <td>10/02/2015 7:57:15 AM</td>
        <td>XV</td>
        <td>Yellow</td>
    </tr>
        <tr><input type=hidden name=id value=59845414>
        <td>59845414</td>
        <td>22/01/2015 8:33:15 AM</td>
        <td>Derek</td>
        <td>Green</td>
    </tr>
</table>

<select name="doThis">
<option></option>
<option value="test123">test123</option>
</select>
</form>

CSS

.selected {
    background-color: purple;
    color: #FFF;
}

JavaScript

$("#job_list tr").click(function(){
   $(this).toggleClass('selected');
});

$("select[name=doThis]").change(function(){
    $("#job_list tr").each(function(ix){
        $(this).find("input").prop('disabled', !$(this).hasClass("selected"));
    });
    $(this).closest("form").submit();
});