html - Automatically get info for ::before element with JavaScript -


i've been trying figure out wait work having multiple tables on single web page.

<table class="table table-striped basic">     <thead>         <tr>             <th>saturday</th>             <th class="time">10:30am</th>             <th class="time">11:00am</th>             <th class="time">11:30am</th>             <th class="time">12:00pm</th>         </tr>     </thead>     <tbody>         <tr>             <td>3/5/2016</td>             <td>15231</td>             <td>15232</td>             <td>15233</td>             <td>15234</td>         </tr>         <tr>             <td>3/5/2016</td>             <td>15231</td>             <td>15232</td>             <td>15233</td>             <td>15234</td>         </tr> 

<script>     var time = $('.time').text();     $(function() {         $('table td:nth-child(2)').attr('data-before-content', time);         $('table td:nth-child(3)').attr('data-before-content', time);         $('table td:nth-child(4)').attr('data-before-content', time);         $('table td:nth-child(5)').attr('data-before-content', time);     });  </script>

css:

 .table td:nth-child(2)::before {     content: attr(data-before-content); }

trying figure out way context of each "th" , place ::before in css while having multiple tables. suggestions?

are thinking along lines of this? can use combination of .each(), .eq(), , .not()

$('table tr').each(function(){    $('td', this).not(':first-child').each(function(i){      $(this).attr('data-before-content', $('.time').eq(i).text());      });  });
.table td:before {    content: attr(data-before-content) '\00a0';  }    .table td {    padding: 1em;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <table class="table table-striped basic">    <thead>      <tr>        <th>saturday</th>        <th class="time">10:30am</th>        <th class="time">11:00am</th>        <th class="time">11:30am</th>        <th class="time">12:00pm</th>      </tr>    </thead>    <tbody>      <tr>        <td>3/5/2016</td>        <td>15231</td>        <td>15232</td>        <td>15233</td>        <td>15234</td>      </tr>      <tr>        <td>3/5/2016</td>        <td>15231</td>        <td>15232</td>        <td>15233</td>        <td>15234</td>      </tr>    </tbody>  </table>

in case .time data table specific (which more case think), i'd recommend using instead:

$('table tr').each(function(){    var $t = $(this).closest('table').find('.time');    $('td', this).not(':first-child').each(function(i){      $(this).attr('data-before-content', $t.eq(i).text());      });  });
.table td:before {    content: attr(data-before-content) '\00a0';  }    .table td {    padding: 1em;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <table class="table table-striped basic">    <thead>      <tr>        <th>saturday</th>        <th class="time">10:30am</th>        <th class="time">11:00am</th>        <th class="time">11:30am</th>        <th class="time">12:00pm</th>      </tr>    </thead>    <tbody>      <tr>        <td>3/5/2016</td>        <td>15231</td>        <td>15232</td>        <td>15233</td>        <td>15234</td>      </tr>      <tr>        <td>3/5/2016</td>        <td>15231</td>        <td>15232</td>        <td>15233</td>        <td>15234</td>      </tr>    </tbody>  </table>      <table class="table table-striped basic">    <thead>      <tr>        <th>monday</th>        <th class="time">7:30pm</th>        <th class="time">9:00pm</th>        <th class="time">10:30pm</th>      </tr>    </thead>    <tbody>      <tr>        <td>3/7/2016</td>        <td>15231</td>        <td>15232</td>        <td>15233</td>      </tr>      <tr>        <td>3/7/2016</td>        <td>15231</td>        <td>15232</td>        <td>15233</td>      </tr>    </tbody>  </table>


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