html - jquery changing visibility using attr doesn't work -


i wanted post picture , upon picture;

so when hover on , 1 placed inside pop up; , switched it's visibility hidden , , tried through jquery (when first hovered) have visibility changed visible. checked , , found out visibility property did change : , image not visible.

$("div.main>table td>img").mouseenter(function() {    try {      $(this).parent().find(".play").attr("visibility", "visible");    } catch (e) {      window.alert(e.message);    }  });    $("div.main>table td>img").mouseleave(function() {    $(this).parent().find(".play").attr("visibility", "hidden");  });
div.main>table td {    position: relative;    top: 0;    left: 0;  }  div.main>table td>img {    transition: box-shadow 0.3s, opacity 0.5s;    position: relative;  }  div.main>table td>img:hover {    cursor: pointer;  }  div.main>table {    margin: auto;  }  .play {    transition: opacity 0.5s;    position: absolute;    top: 50px;    left: 37px;    z-index: 1;    visibility: hidden;  }  .play:hover {    cursor: pointer;    opacity: 0.8;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <td>    <p class="title">this video</p>    <img src="images\experiment.jpg" width="140" height="140" />      <div class="circle trasparent inline">      <img src="images\play1.png" class="play" width="70" height="70" />    </div>  </td>

visibility css property, not attribute. use jquery's .css() instead.

f.css("visibility", "visible");

however, seems implementing want in wrong way. here suggestion.

var play = $("table td .play");    $("table td img").hover(function() {      play.css("visibility", "visible");  }, function() {    play.css("visibility", "hidden");  });
table td {    position: relative;    top: 0;    left: 0;  }  table td>img {    transition: box-shadow 0.3s, opacity 0.5s;    position: relative;  }  table td>img:hover {    cursor: pointer;  }  table {    margin: auto;  }  .play {    transition: opacity 0.5s;    position: absolute;    top: 50px;    left: 37px;    z-index: 1;    visibility: hidden;  }  .play:hover {    cursor: pointer;    opacity: 0.8;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <table>  <td>    <p class="title">this video</p>    <img src="http://lorempixel.com/400/200/sports">      <div class="circle trasparent inline">      <img src="http://lorempixel.com/400/200/city" class="play">    </div>  </td>    </table>


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