<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery slide Left and Right Toggle Effect</title>
</head>
<body>
<h1>I have a jQuery you can try on your live website and locar server</h1>
<br>
<p>
$(document).ready(function($){<br>
var url = window.location.href;<br>
$('.sendit_navbar .navbar-nav li a[href="'+url+'"]').addClass('active');<br>
});
</p>
</body>
</html>
h1{text-align:center;}
p{margin:0 0 0 180px;}
$(document).ready(function($){
var url = window.location.href;
$('.sendit_navbar .navbar-nav li a[href="'+url+'"]').addClass('active');
});