jQuery addClass example

Change class name on click in jQuery

by Seetpal Singh

HTML

<div id="banner-message">
  <p>Hello World</p>
  
  <div id="div">
    <input type="checkbox" name="bin">
    <input type="checkbox" name="bin1">
    <input type="checkbox" name="bin2">
  </div>
  <button>Change color</button>
  <div id="bim">
    <input type="checkbox" name="bin">
    <input type="checkbox" name="bin1">
    <input type="checkbox" name="bin2">
  </div>
</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

// handle click and add class
$("#div input").on("click", function(){
	var na	=	$(this).attr('name');
	var ck	=	$(this).prop('checked');
//  alert(na);
	$("#bim [name="+na+"]" ).prop('checked', ck)
});

// handle click and add class
$("#bim input").on("click", function(){
	var na	=	$(this).attr('name');
	var ck	=	$(this).prop('checked');
//  alert(na);
	$("#div [name="+na+"]" ).prop('checked', ck)
});