JSFiddle - React, Tailwind, and code Playground

by venkateshwaran

HTML

<div id="navigation-bar">nav here</div>

CSS

body {
    height:1000px;
    width:100%;
    background-color:#F0F0F0;
}

#navigation-bar {
    width:100%;
    height:100px;
    background-color:#666;
    position:fixed;
    top:0;
    left:0;
}

JavaScript

$(function(){
    $('#navigation-bar').data('size','big');
});

$(window).scroll(function(){
    var $nav = $('#navigation-bar');
    if ($('body').scrollTop() > 0) {
        if ($nav.data('size') == 'big') {
            $nav.data('size','small').stop().animate({
                height:'40px'
            }, 600);
        }
    } else {
        if ($nav.data('size') == 'small') {
            $nav.data('size','big').stop().animate({
                height:'100px'
            }, 600);
        }  
    }
});