php - Show alert with the content of a Database selection -

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i new javascript related it.

i have set of dynamic rows , corresponding columns rows. in 1 column have button. when click on it, displays results of select query in page based on posted competence_id.

the query works fine , correct results when click on button. however, now, display message in an alert when button clicked , stay on same page rather opening new tab..

here relevant html code shows table use:

echo "<table border='1' id='mycompstable' class='sortablee' cellpadding='0' cellspacing='0'>"; echo "<tr><th>id</th><th>competence group</th><th>competence class</th><th>competence description</th><th>own evaluation</th><th>manager's evaluation last year</th><th>target levels</th><th>gap</th><th>action</th><th class='unsortable'>action ready target </th></tr>";  foreach($descs $compi){       echo "<tr>";         echo "<td>".$compi['competence_id']."</td>";         echo "<td><p style='text-align: center;'>".$compi['competence_group']."</p></td>";         if(isset($compi['competence_class'])){echo "<td>".$compi['competence_class']."</td>";}else echo "<td><p style='text-align: center;'>-</p></td>";         echo "<td>".$compi['competence_description']."</td>";         echo "<td class='evaluation'>";             echo "<select class='ownlevelselect' id='ownlevelselect-.".$compi['competence_id']."' name='level-".$compi['competence_id']."' >";                if (isset($compi['ownlevel']) && $compi['ownlevel']!= '' && !empty($compi['ownlevel']) && $compi['ownlevel']!= 0) {                   echo "<option selected value='".$compi['ownlevel']."' selected='selected'>".$compi['ownlevel']."</option>";                  }                 echo "<option value='' >--</option>";                 echo "<option value='1'>1</option><option value='2'>2</option><option value='3'>3</option><option value='4'>4</option><option value='5'>5</option>";             echo "</select>";             echo $compi['ownlevel'];               echo '<a test="'.$compi['competence_id'].'" onclick="showlevels('.$compi['competence_id'].');" target="_blank" href="'.index.'?categ='.$_get['categ'].'&action='.$_get['action'].'&subaction=viewlevels'.'&levels='.$compi['competence_id'].'">';             echo '<img class="linkki" src="'.kuvat.'paivita.gif" alt="'._("tiedot").'" title="'._("click view description of each level?").'"/></a>';         echo "</td>";

here code retrieve data:

    function fetchlevels($competence_id){     $this->query="select * levels comp_id=".$_request['levels'];     $tulos=$this->suoritakysely();     return $tulos; }

and here page want show in message:

$levels=$this->levels; $comp=$this->compdesc; echo "levels explanation competence:".$comp['competence_description']."<br>";  echo "level 1 =  ".$levels[0]['lvl1']; echo "<br>"."level 2 = ".$levels[0]['lvl2']; echo "<br>"."level 3 = ".$levels[0]['lvl3']; echo "<br>"."level 4 = ".$levels[0]['lvl4']; echo "<br>"."level 5 = ".$levels[0]['lvl5']; echo "<br><br>"; echo '<input type="button" value="close" window onclick="window.close();">';    ?>

any kind of appreciated

here ajax simulation in jsfiddle http://jsfiddle.net/ncubica/umxjb/

html

<i style='display:none' id="loadingpopup">loading</i> <table>     <tr>         <td data-id="td1"> row 1</td>     </tr>            <tr>                 <td data-id="td2"> row 2</td>     </tr>     <tr>         <td data-id="td3"> row 3</td>     </tr>         </table>

javascript

$("table").on("click", function(event){     var $target = $(event.target);      if($target.is("td")){         var id = $target.attr("data-id");         makeajax(id);     } });  //simulating ajax  function makeajax(id){     //you have use ajax retrieve json format     //i simulate ajax     $("#loadingpopup").show();     var _json = { id : id, value : "some value", description : "some description"};     settimeout(function(){response(_json)}, 1000); }  function response(_json){     $("#loadingpopup").hide();         alert(_json.id + " - " + _json.value); }

css

table{font-family:arial; font-size:12px; width:100%} table tr td{border-bottom:1px solid #ccc; padding:10px;}

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