JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div style="margin-top:1000px;">
</div>
</div><div class="abas abas1" tabindex="1">
   Aba 1
</div>
<div class="abas abas2" tabindex="2">
   Aba 2
</div>
<div class="abas abas3" tabindex="3">
   Aba 3
</div>
<div class="abas abas4" tabindex="4">
   Aba 4
</div>
<div class="abas abas5" tabindex="5">
   Aba 5
</div>
<br clear="all" /><br />
<div id="texto"></div>

CSS

.conteudo_abas{
  border:1px solid #000;  
}
.abas{
   display: inline-block;
   height: 40px;
   line-height: 40px;
   padding: 0 15px;
   text-align: center;
   border-bottom: 3px solid #ddd;
   float: left;
   cursor: pointer;
   outline: none;
}

.abas:hover,
.abas:focus{
   color: #fff;
}

.abas:nth-child(1){
   border-bottom-color: orange;
}
   .abas:nth-child(1):hover,
   .abas:nth-child(1):focus{
      background: orange;
   }

.abas:nth-child(2){
   border-bottom-color: red;
}
   .abas:nth-child(2):hover,
   .abas:nth-child(2):focus{
      background: red;
   }

.abas:nth-child(3){
   border-bottom-color: purple;
}
   .abas:nth-child(3):hover,
   .abas:nth-child(3):focus{
      background: purple;
   }

.abas:nth-child(4){
   border-bottom-color: blue;
}
   .abas:nth-child(4):hover,
   .abas:nth-child(4):focus{
      background: blue;
   }

.abas:nth-child(5){
   border-bottom-color: green;
}
   .abas:nth-child(5):hover,
   .abas:nth-child(5):focus{
      background: green;
   }

JavaScript

$('.abas').on('click', function(){
   
   aba_index = $(this).attr('tabindex');

   this.aba1 = {
      conteudo: '<div class="conteudo_abas">dsad</div>'
   }

   this.aba2 = {
      conteudo: '<div class="conteudo_abas">asdsad</div>'
   }

   this.aba3 = {
      conteudo: '<div class="conteudo_abas">zxczx czxc zx</div>'
   }

   this.aba4 = {
      conteudo: '<div class="conteudo_abas">dffxg f</div>'
   }

   this.aba5 = {
      conteudo: '<div class="conteudo_abas"> sdfdsf </div>'
   }

	 return $('#texto').html(this['aba' + aba_index]['conteudo']);
});

$(document).ready(function(){
   $('.abas:first').trigger('click').focus();
});