How to increment counter and decrement it with Jquery
<p>Hi guys I need assistance with incrementing a variable with just one value for a user and when the user clicks the same button the value decreases by one and this cycles continues. There is a situation similar in the below code:  </p>

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>$(function() {
  var indicator = 0;
  $('#btn1').on('click', function() {
    $('#toggleIndicator').show();
    indicator++;
    alert('ON value : ' + indicator);
  })

  $('#btn2').on('click', function() {
    $('#toggleIndicator').hide();
    indicator--;
    alert('OFF value : ' + indicator);
  })
});</code></pre>
<pre class="snippet-code-css lang-css prettyprint-override"><code>div {
  width: 100px;
  height: 20px;
  margin-bottom: 10px;
}
.a {
  background-color: orange;
}
.b {
  background-color: gold;
}
.c {
  background-color: maroon;
}
.d {
  background-color: green;
}</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"&gt;&lt;/script&gt;
&lt;div class="a" id="toggleIndicator"&gt;
&lt;/div&gt;

&lt;input type="button" id="btn1" value="ON" /&gt;
&lt;input type="button" id="btn2" value="OFF" /&gt;</code></pre>
</div>
</div>
</p>

<p>but in my case I want the actions to be on one button just like on or off. Any way to do this please?</p>