Untitled

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI Tabs - Default functionality</title>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
  <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>
  <script>
$(document).ready(function(){
	$('#checked').click(function() {
    $("tr:contains('Задоволува')").css("background-color", "green");
});
});
</script>
  <style>
  table
  {
  border-style: solid;

  }
th
{
background-color:red;
}

  </style>
</head>
<body>
<table class="table">
<tr>
<th>Име</th>
<th>Презиме</th>
<th>Состојба</th>
</tr>
<tr>
<td>Петко</td>
<td>Петков</td>
<td>Задоволува</td>
</tr>
<tr>
<td>Петко</td>
<td>Петков</td>
<td>Незадоволува</td>
</tr>
<tr>
<td>Петко</td>
<td>Петков</td>
<td>Незадоволува</td>
</tr>
<tr>
<td>Петко</td>
<td>Петков</td>
<td>Незадоволува</td>
</tr>
<tr>
<td>Петко</td>
<td>Петков</td>
<td>Задоволува</td>
</tr>
<tr>
<td>Петко</td>
<td>Петков</td>
<td>Задоволува</td>
</tr>
</table>
<input type="submit" value="Провери долг"id="checked">
</body>
</html>