JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.0.min.js"></script>
<div id="cont">
  This is test.This is test.This is test.This is testThis is test.This is testThis is testThis is testThis is testThis is test
</div>

<a id="animate">Godown</a>

CSS

#cont{
  height:45px
}

#animate {
  text-decoration: none;
  -webkit-transition:1s;
}

#animate:hover {
  text-decoration: underline;
  cursor: pointer;
  -webkit-transition:1s;
}

JavaScript

$("#animate").click(function() {
  var text = $(this).html();
  debugger;
  if (text === "Godown") {
    $("#cont").animate({
      height: "100px"
    }, 200, function() {
      $("#animate").html('GoTop').hide().show(0);
    });

  } else {
    $("#cont").animate({
      height: "45px"
    }, 200, function() {
      $("#animate").html('Godown').hide().show(0);
    });
  }
});