How to create a Sticky Menu bar with CSS and Jquery

    In this example, we will create a simple webpage that consists of the header, the

navigation and the content.

        <div class="wrapper">
            <div class="header">
                Header
            </div>
            <div class="nav">
                Navigation
            </div>
            <div class="content">
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            </div>
        </div>

    And, we will apply the sticky position to the navigation.

    But first, we will define the styles in the stylesheet, like so.

        body {
            margin: 45px 0 0;
            padding: 0;
            font-family:Arial, Helvetica, sans-serif;
            font-size:12px;
        }
        .header, .nav {
            color: #FFFFFF;
            text-align: center;
        }
        .header {
            background-color: #333333;
            padding: 50px 0;
        }
        .content {
            margin: 10px auto 100px;
            width: 600px;
        }
        .sticky {
            position: fixed;
            width: 100%;
            left: 0;
            top: 0;
            z-index: 100;
            border-top: 0;
        }

    Then, we will apply that class to the navigation conditionally with jQuery.

    copytext

        $(document).ready(function() {
            var stickyNavTop = $('.nav').offset().top;
            var stickyNav = function(){
            var scrollTop = $(window).scrollTop();
                if (scrollTop > stickyNavTop) {  
                    $('.nav').addClass('sticky');
                } else {
                $('.nav').removeClass('sticky');  
                }
            };
            stickyNav();
            $(window).scroll(function() {
                stickyNav();
            });
        });

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