jQuery addClass example

Change class name on click in jQuery

by oujisama

HTML

<!DOCTYPE html>
<html lang="id-ID">
<head>
<meta charset="UTF-8"> 
<meta content='https://www.google.com/q=qqslot/page=1' name='page google.com'/>
<meta content='https://www.google.co.id/q=qqslot/page=1' name='page google.co.id'/>
<title>QQSLOT - situs judi deposit pulsa Terpercaya</title>
<link rel="shortcut icon" type="image/png" href="https://res.cloudinary.com/mpoplay/image/upload/w_200,f_auto/v1563190518/qqslot/assets/86-company_logo-1774798577.png"/>
<meta name="description" content="QQSLOT situs judi online deposit pulsa Terpercaya yang memberikan freebet 20.000 setiap hari untuk member baru" />
<meta name="keywords" content="qqslot, judi deposit pulsa, deposit pulsa online" />
<meta content='index, follow' name='robots'/>
<meta content='1 days' name='revisit-after' />
<meta content='general' name='rating' />
<meta content='id' name='geo.country' />
<meta content='Indonesia' name='geo.placename' />
<meta content='qqslot' name='author' />
<meta content='all' name='Slurp' /> 
<meta content="width=device-width; initial-scale=1.0; maximum-scale=1.0;" name="viewport" />
<style type="text/css">
body {
  font-family: arial;
}
.myButton {
	background-color:#ded09f;
	-moz-border-radius:6px;
	-webkit-border-radius:6px;
	border-radius:6px;
	border:4px solid #000000;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:18px;
	font-weight:bold;
	padding:5px 21px;
	text-decoration:none;
	text-shadow:0px 1px 0px #b23e35;
}
.myButton:hover {
	background-color:#ce0100;
}
.myButton:active {
	position:relative;
	top:1px;
}

#footer{height: 103px; min-width: 100%; background: #; top center repeat-x;}
#menu-footer, #menu ul{margin: 0; padding: 0; list-style: none;}
#menu-footer{margin: 15px 0 5px 0; }
#menu-footer li{display: inline-block; padding: 0 5px; border-left: 2px solid #fff;}
#menu-footer li:first-child{border: none;}
#menu-footer li a{color: #fff;}

.header-top.colored {
  background-color: #ded09f;
  border-bottom: 1px solid...

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")
})