jQuery addClass example

Change class name on click in jQuery

by smurugu

HTML

<div id="banner-message">
  <p id="hello">Hello World!!!!!</p>
  <input id="statusconf" value="" type="checkbox">Show hello world text when i click this check box
  <button>Change color</button>
</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

// find elements
var banner = $("#banner-message")
var button = $("button")

// handle click and add class
button.on("click", function(){
  banner.addClass("alt")
})

//Set this up as part of document ready if you wish
//$(document).ready(function(e) {

	$("#statusconf").show(function(e) {
			if ($("#statusconf").is(':checked') === false) {
				$('#hello').hide();
        alert('hiding');
			} else {
      	$("#hello").show();
      }
  });

	$("#statusconf").on("click", function(e) {
  	if ($("#statusconf").is(':checked') === false) {
        alert('hello');
				$('#hello').hide();
			} else {
        alert('asfasdf');
      	$("#hello").show();
      }
  });

//});