<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>Load + Hover change background color by data-* attribute </title>
</head>
<body>
<div class="box" data-bg="red" data-hoverbg="green">Hello World</div>
<div class="box" data-bg="cyan" data-hoverbg="blue">Hello India</div>
<div class="box" data-bg="orange" data-hoverbg="yellow">Hello Lucknow</div>
<div class="box" data-bg="#04b596" data-hoverbg="#0ce211">Raeesh Alam</div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js'></script>
<script src="js/index.js"></script>
</body>
</html>
/*Downloaded from https://www.codeseek.co/raeesh/load-hover-change-background-color-by-data-attribute-RMKQNg */
$(document).ready(function(){
$('#styling').remove();
$('body').append('<style type="text/css" id="styling">.box{width: 100%; max-width: 420px; border: 1px solid #f9f9f9; height: 60px;line-height: 60px;text-align: center; margin: 15px auto;font-family: "Arial";}</style>');
$('[data-bg]').each(function(i,j){
$(this).addClass('data-bg-'+i); //Create Dynamic Classes
var bgColor = $(this).data('bg');
var hoverbgColor = $(this).data('hoverbg');
$('#styling').append('.'+'data-bg-'+i+'{background:'+bgColor+'} .data-bg-'+i+':hover{background:'+hoverbgColor+'}');
});
});