jQuery addClass example

Change class name on click in jQuery

by veer_vin

HTML

<div id="banner-message">
  <p>0</p>
  <button>Change color</button>
</div>
<div id="chatBot">
  visible
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

var timerRef;
var varCounter = 10;

$("button").on("click", function(){
	$("#chatBot").toggle();
  clearInterval(timerRef);
  timerRef = setInterval(varName, 1000); 
});
var varName = function() {
			
      $("#chatBot").text(varCounter);
      var isOpen = $("#chatBot").is(":visible");

     if(!isOpen) {
          varCounter--;
          $("#banner-message p").text(varCounter);
          /* your code goes here */
     } else {
          varCounter = 10;
     }
};