Simple Tabs in HTML CSS and JavaScript

Yet another simple tabs code snippet that is written in HTML, CSS, and JavaScript. It renders simple tabs penal for smoothly navigating site content. The tabs interface comes with a simple design that can be customized according to your needs.

How to Create Simple Tabs in HTML CSS and JavaScript

1. First of all, create the HTML structure as follows:

 <ul id="abas" class="teste">
  <li class="selecionada"><a id="aba_1" href="#aba_1">Tab 1</a></li>
  <li><a id="aba_2" href="#aba_2">Tab 2</a></li>
  <li><a id="aba_3" href="#aba_3">Tab 3</a></li>
</ul>
<div id="conteudos">
  <div id="conteudo_1" class="conteudo visivel">
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  </div>
  <div id="conteudo_2" class="conteudo">
    <p>Conteúdo da Aba 2</p>
  </div>
  <div id="conteudo_3" class="conteudo">
    <p>Conteúdo da Aba 3</p>
  </div>
</div>
<!-- partial -->
  <script  src="./js/script.js"></script>

2. After that, add the following CSS styles to your project:

body{
  font-family: Verdana, Arial, calibri;
  font-size: 16px;
  color: #666666;
}
#abas{
  margin:0;
  padding:0;
}
#abas li{
  display:inline-block;
  border: 1px solid #CCCCCC;
  border-bottom:none;
  background-color:#EEEEEE;
}
#abas li a{
  padding: 10px 20px;
  display: block;
  text-decoration:none;
  color:#000000;
}
#abas li.selecionada{
  background-color:#FFFFFF;
  position:relative;
  top:1px;
  font-weight:bold;
}
#abas li.selecionada a{
  padding-top: 11px
}
.conteudo{
  display:block;
  padding:10px;
  border: 1px solid #CCCCCC;
  display:none;
}
.conteudo.visivel{
  display:block;
}

3. Finally, add the following JavaScript code and done.

var abas = document.getElementById("abas");
var conteudos = document.getElementById("conteudos");

/* Essa função retira a classe "selecionada" e esconde a DIV com o conteúdo visível */
function limparSelecao(){
  abas.getElementsByClassName("selecionada")[0].classList.remove("selecionada");
  conteudos.getElementsByClassName("visivel")[0].classList.remove("visivel");
}

/* Essa é executada quando alguma das abas é clicada */
abas.addEventListener("click", function(event){
  var abaClicada = event.target.id;
  var itemSelecionado = abaClicada.substring(abaClicada.lastIndexOf("_"));

  /* Chama função que tira a seleção do item atual */
  limparSelecao();

  /* Insere a classe "selecionada" na nova aba visível */
  event.target.parentElement.classList.add("selecionada");

  /* Insere a classe "visivel" para o conteúdo da aba selecionada */
  conteudos.querySelector("#conteudo"+ itemSelecionado).classList.add("visivel");
});

That’s all! hopefully, you have successfully integrated this simple tabs code snippet into your project. If you have any questions or facing any issues, feel free to comment below.

Asif Mughal

I code and create web elements for amazing people around the world. I like work with new people. New people new Experiences.
I truly enjoy what I’m doing, which makes me more passionate about web development and coding. I am always ready to do challenging tasks whether it is about creating a custom CMS from scratch or customizing an existing system.