javascript - Jquery background slide down -

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i wondering if possible change make div follow size of table cell? @ moment can display above div. have far.

https://jsfiddle.net/amosangyongjian/mmqasf5t/54/

$(document).ready(function(){     $("td").hover(function(){     $(this).find(".expand").slidedown("slow");   },function(){     $(this).find(".expand").slideup("slow");   }); });

jsfiddle example

td {   width:100px;   height:100px;   position:relative; /* add */ } .expand {   display:none;   position:absolute;   top:0; left:0; width:100%; height:100%; /* add */   z-index:1;   background:red;   /*height:auto; width:100%;  remove */   overflow:hidden; }  .static {   position:absolute;   z-index:0;   background:yellow;   text-align:center; }

and here's cleaner solution minor changes in html, css, jquery

jquery(function( $ ) {      $("td").hover(function() {      $(this).find(".expand").stop().slidetoggle("slow");    });    });
td {    width:100px;    height:100px;    position:relative;  }  .expand {    display:none;    position:absolute;    top:0; left:0; width:100%; height:100%;    background:red;    overflow:hidden;  }  .static {    position:absolute;    background:yellow;    text-align:center;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <table border="1" id="tableclass">    <tr>      <td>        <div class="static">hello1</div>        <div class="expand">expanded</div>      </td>      <td>        <div class="static">hello2</div>        <div class="expand">expanded</div>      </td>    </tr>    <tr>      <td>        <div class="static">hello3</div>        <div class="expand">expanded</div>      </td>      <td>        <div class="static">hello4</div>        <div class="expand">expanded</div>      </td>    </tr>  </table>

and here's example uses no javascript @ all
css3 transition height:0; height:100%;

td {    width:100px;    height:100px;    position:relative;  }  .static {    position:absolute;    background:yellow;    text-align:center;  }  .expand {    position:absolute;    overflow:hidden;    top:0; left:0; width:100%; height:0;    background:red;    transition: 0.5s;  }  td:hover .expand{    height:100%;  }
<table border="1" id="tableclass">    <tr>      <td>        <div class="static">hello1</div>        <div class="expand">expanded</div>      </td>      <td>        <div class="static">hello2</div>        <div class="expand">expanded</div>      </td>    </tr>    <tr>      <td>        <div class="static">hello3</div>        <div class="expand">expanded</div>      </td>      <td>        <div class="static">hello4</div>        <div class="expand">expanded</div>      </td>    </tr>  </table>


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