코드랩 레퍼런스
Parallax - Scroll Show/Hide Nav 본문
See the Pen Parallax - Show/Hide Menu by Webstoryboy (@webstoryboy) on CodePen.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
@import url('https://fonts.googleapis.com/css?family=Orbitron:400,500,700,900');
/*font-family: 'Orbitron', sans-serif;*/
/* reset */
*{margin:0; padding:0}
li,ul {list-style:none}
a {text-decoration:none}
.clearfix{*zoom:1}
.clearfix:before,.clearfix:after{display:block; content:'';line-height:0;}
.clearfix:after{clear:both;}
body {font-family: 'Orbitron', sans-serif}
/* nav */
#nav {
position: fixed; left: 0; top: 0; z-index: 100;
width: 100%; height: 56px;
text-align: center;
transition: top 0.3s ease-in-out;
}
#nav.nav-up {
top: -56px;
}
#nav li {
float: left;
width: 16.6666%;
}
#nav li a {
display: block;
background-color:rgba(255,255,255,0.3);
color: #fff;
padding:20px;
}
#nav li.active a {
background-color:rgba(0,0,0,0.5)
}
/* contents */
#contents {text-align: center; }
#contents > div {
line-height: 100vh;
background-size: cover;
background-position: center;
background-attachment:fixed;
color: #fff;
font-size: 30px;
}
/* section */
#section1 {background-image:url(https://tistory4.daumcdn.net/tistory/2141493/skin/images/bg03.jpg);}
#section2 {background-image:url(https://tistory4.daumcdn.net/tistory/2141493/skin/images/bg02.jpg);}
#section3 {background-image:url(https://tistory4.daumcdn.net/tistory/2141493/skin/images/bg01.jpg);}
#section4 {background-image:url(https://tistory4.daumcdn.net/tistory/2141493/skin/images/bg04.jpg);}
#section5 {background-image:url(https://tistory4.daumcdn.net/tistory/2141493/skin/images/bg05.jpg);}
#section6 {background-image:url(https://tistory4.daumcdn.net/tistory/2141493/skin/images/bg06.jpg);}
</style>
</head>
<body>
<nav id="nav">
<ul>
<li class="active"><a href="#section1"><span>Intro</span></a></li>
<li><a href="#section2"><span>Skill</span></a></li>
<li><a href="#section3"><span>Coding</span></a></li>
<li><a href="#section4"><span>Design</span></a></li>
<li><a href="#section5"><span>About</span></a></li>
<li><a href="#section6"><span>Contact</span></a></li>
</ul>
</nav>
<section id="contents">
<div id="section1">
<div class="container">
<div class="section1">
<h2>Pardon all but yourself</h2>
</div>
</div>
</div>
<div id="section2">
<div class="container">
<div class="section2">
<h2>Better late than never</h2>
</div>
</div>
</div>
<div id="section3">
<div class="container">
<div class="section3">
<h2>Naver, never, give up</h2>
</div>
</div>
</div>
<div id="section4">
<div class="container">
<div class="section4">
<h2>Who dares, Wins</h2>
</div>
</div>
</div>
<div id="section5">
<div class="container">
<div class="section5">
<h2>Shor out "once more"</h2>
</div>
</div>
</div>
<div id="section6">
<div class="container">
<div class="section6">
<h2>Big goals gets big result</h2>
</div>
</div>
</div>
</section>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<script>
var moveScroll;
var lastScrollTop = 0;
var delta = 5;
var navbarHeight = $('#nav').outerHeight();
$(window).scroll(function(event){
moveScroll = true;
});
setInterval(function() {
if (moveScroll) {
hasScrolled();
moveScroll = false;
}
}, 250);
function hasScrolled(){
var wScroll = $(this).scrollTop(); //현재 스크롤 값
if(Math.abs(lastScrollTop - wScroll) <= delta )
return;
if( wScroll > lastScrollTop && wScroll > navbarHeight){
//스크롤 내렸을 때 nav-up 생기게
$("#nav").removeClass("nav-down").addClass("nav-up");
} else {
//스크롤 올렸을 때 nav-down 생기게
if(wScroll + $(window).height() < $(document).height()){
$("#nav").removeClass("nav-up").addClass("nav-down");
}
}
lastScrollTop = wScroll;
}
var nav = $("#nav ul li");
var contents = $("#contents > div");
nav.click(function(e){
e.preventDefault();
var target = $(this);
var index = target.index();
var section = contents.eq(index);
var offset = section.offset().top;
$("html,body").animate({scrollTop:offset},600,"easeInOutExpo");
});
$(window).scroll(function(){
var wScroll = $(this).scrollTop();
if(wScroll >= contents.eq(0).offset().top){
nav.removeClass("active");
nav.eq(0).addClass("active");
}
if(wScroll >= contents.eq(1).offset().top){
nav.removeClass("active");
nav.eq(1).addClass("active");
}
if(wScroll >= contents.eq(2).offset().top){
nav.removeClass("active");
nav.eq(2).addClass("active");
}
if(wScroll >= contents.eq(3).offset().top){
nav.removeClass("active");
nav.eq(3).addClass("active");
}
if(wScroll >= contents.eq(4).offset().top){
nav.removeClass("active");
nav.eq(4).addClass("active");
}
if(wScroll >= contents.eq(5).offset().top){
nav.removeClass("active");
nav.eq(5).addClass("active");
}
});
</script>
</body>
</html>