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parallaxEffect03.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>패럴렉스 이펙트01</title>
<link rel="stylesheet" href="../assets/css/parallax.css">
<link rel="stylesheet" href="../assets/css/dracula.css">
<link href="https://fonts.googleapis.com/css2?family=Lato:wght@100&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@900&display=swap" rel="stylesheet">
<link href="https://webfontworld.github.io/NexonLv1Gothic/NexonLv1Gothic.css" rel="stylesheet">
<style>
/* parallax__nav */
#parallax__nav {
position: fixed;
right: 20px;
top: -200px;
z-index: 2000;
background-color: rgba(0, 0, 0, 0.4);
padding: 20px 30px;
border-radius: 50px;
transition: top 0.4s ease;
}
#parallax__nav.show{
top: 0;
}
#parallax__nav li {
display: inline;
margin: 0 5px;
}
#parallax__nav li a {
display: inline-block;
height: 30px;
padding: 5px 20px;
text-align: center;
line-height: 30px;
}
#parallax__nav li.active a {
background: #fff;
color: #000;
border-radius: 20px;
box-sizing: content-box;
}
#parallax__cont {
max-width: 1600px;
/* background-color: rgba(255, 255, 255, 0.1); */
margin: 0 auto;
width: 98%;
}
.content__item {
width: 1000px;
max-width: 70vw;
margin: 30vw auto;
/* background-color: rgba(255, 255, 255, 0.3); */
text-align: left;
margin-right: 0;
position: relative;
padding-top: 8vw;
}
.content__item:nth-child(even) {
/* 2n도 가능하고 even 도 가능하고 */
margin-left: 0;
text-align: right;
}
.content__item__num {
font-size: 35vw;
font-family: 'Lato';
font-weight: 100;
position: absolute;
left: -5vw;
top: -16vw;
opacity: 0.07;
z-index: -2;
}
.content__item:nth-child(even) .content__item__num {
right: -5vw;
left: auto;
/* left 값 초기화 */
}
.content__item__title {
font-weight: 400;
text-transform: capitalize;
}
.content__item__imgWrap {
width: 100%;
padding-bottom: 56.25%;
background-color: #000;
position: relative;
overflow: hidden;
z-index: -1;
}
.content__item__img {
background: url(../../assets/slider/effect_bg_01.jpg);
background-position: center center;
background-repeat: no-repeat;
background-size: cover;
/* 내가 작아서 넣음 */
position: absolute;
width: 110%;
height: 110%;
left: -5%;
top: -5%;
filter: saturate(0%);
transition: all 1s;
}
.content__item:nth-child(1) .content__item__img {
background-image: url(../../assets/slider/effect_bg_01.jpg);
}
.content__item:nth-child(2) .content__item__img {
background-image: url(../../assets/slider/effect_bg_02.jpg);
}
.content__item:nth-child(3) .content__item__img {
background-image: url(../../assets/slider/effect_bg_03.jpg);
}
.content__item:nth-child(4) .content__item__img {
background-image: url(../../assets/slider/effect_bg_04.jpg);
}
.content__item:nth-child(5) .content__item__img {
background-image: url(../../assets/slider/effect_bg_05.jpg);
}
.content__item:nth-child(6) .content__item__img {
background-image: url(../../assets/slider/effect_bg_06.jpg);
}
.content__item:nth-child(7) .content__item__img {
background-image: url(../../assets/slider/effect_bg_07.jpg);
}
.content__item:nth-child(8) .content__item__img {
background-image: url(../../assets/slider/effect_bg_08.jpg);
}
.content__item:nth-child(9) .content__item__img {
background-image: url(../../assets/slider/effect_bg_09.jpg);
}
.content__item__desc {
font-size: 4vw;
line-height: 1.4;
margin-top: -5vw;
margin-left: -4vw;
word-break: keep-all;
}
.content__item:nth-child(even) .content__item__desc {
margin-left: auto;
margin-right: 4vw;
}
#parallax__info {
position: fixed;
left: 20px;
bottom: 20px;
z-index: 2000;
background: rgba(0, 0, 0, 0.6);
color: #fff;
padding: 20px;
border-radius: 10px;
}
#parallax__info li,
.scrollTop {
line-height: 1.4;
}
@media (max-width: 800px) {
#parallax__cont {
margin-top: 70vw;
}
#parallax__nav {
padding: 10px;
right: auto;
left: 10px;
top: 10px;
transform: translateY(50%);
border-radius: 5px;
background-color: rgba(0, 0, 0, 0.8);
}
#parallax__nav li {
display: block;
margin: 5px;
}
#parallax__nav li a {
font-size: 14px;
padding: 5px;
border-radius: 5px;
height: auto;
line-height: 1;
}
#parallax__nav li.active a {
border-radius: 5px;
}
#parallax__info {
left: 10px;
bottom: 10px;
}
}
#parallax__top{
position: fixed;
transform: translateX(-50%);
z-index: 10000;
left: 50%;
bottom: -200px;
width: 40px;
height: 40px;
background: rgba(0,0,0,0.4);
text-align: center;
line-height: 40px;
color: #fff;
border-radius: 50%;
padding: 20px;
cursor: pointer;
transition: all 0.3s;
}
#parallax__top.show {
bottom: 20px;
}
#parallax__top:hover{
background: #fff;
color: #000;
}
</style>
</head>
<body class="img07">
<header id="header">
<h1><a href="parallaxEffect.html">Javascript parallax Effect03</a></h1>
<p>패럴렉스 이펙트</p>
<ul>
<li><a href="parallaxEffect01.html">1</a></li>
<li><a href="parallaxEffect02.html">2</a></li>
<li class="active"><a href="parallaxEffect03.html">3</a></li>
<li><a href="parallaxEffect04.html">4</a></li>
<li><a href="parallaxEffect05.html">5</a></li>
<li><a href="parallaxEffect06.html">6</a></li>
<li><a href="parallaxEffect07.html">7</a></li>
</ul>
</header>
<!-- //header -->
<nav id="parallax__nav">
<ul>
<li class="active"><a href="#section1">메뉴1</a></li>
<li><a href="#section2">메뉴2</a></li>
<li><a href="#section3">메뉴3</a></li>
<li><a href="#section4">메뉴4</a></li>
<li><a href="#section5">메뉴5</a></li>
<li><a href="#section6">메뉴6</a></li>
<li><a href="#section7">메뉴7</a></li>
<li><a href="#section8">메뉴8</a></li>
<li><a href="#section9">메뉴9</a></li>
</ul>
</nav>
<!-- //parallax__nav -->
<div id="parallax__top">
Top
</div>
<!-- //parallax__op -->
<main id="parallax__cont">
<div id="contents">
<!-- section1 시작 -->
<section id="section1" class="content__item">
<span class="content__item__num">01</span>
<h2 class="content__item__title">section1</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">우리는 사랑하는 친구들에 의해서만 알려진다. </p>
</section>
<!-- section1 끝 -->
<!-- section2 시작 -->
<section id="section2" class="content__item">
<span class="content__item__num">02</span>
<h2 class="content__item__title">section2</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">사랑은 눈으로 보지 않고 마음으로 보는 거지. </p>
</section>
<!-- section2 끝 -->
<!-- section3 시작 -->
<section id="section3" class="content__item">
<span class="content__item__num">03</span>
<h2 class="content__item__title">section3</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">두 분은 상처 하나 입지 않고, 대용사가 된 셈이오.</p>
</section>
<!-- section3 끝 -->
<!-- section4 시작 -->
<section id="section4" class="content__item">
<span class="content__item__num">04</span>
<h2 class="content__item__title">section4</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">그의 믿음은 그가 쓰는 모자의 유행처럼 변한다.</p>
</section>
<!-- section4 끝 -->
<!-- section5 시작 -->
<section id="section5" class="content__item">
<span class="content__item__num">05</span>
<h2 class="content__item__title">section5</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">잘 있거라! 우리가 언제 다시 만날지는 아무도 모른다.</p>
</section>
<!-- section5 끝 -->
<!-- section6 시작 -->
<section id="section6" class="content__item">
<span class="content__item__num">06</span>
<h2 class="content__item__title">section6</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">죄를 짓고 잘되는 사람도 있고, 덕을 베풀고 망하는 사람도 있다.</p>
</section>
<!-- section6 끝 -->
<!-- section7 시작 -->
<section id="section7" class="content__item">
<span class="content__item__num">07</span>
<h2 class="content__item__title">section7</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">모두를 사랑하되, 몇 사람만 믿으라. 누구에게도 잘못을 저지르지 말라.</p>
</section>
<!-- section7 끝 -->
<!-- section8 시작 -->
<section id="section8" class="content__item">
<span class="content__item__num">08</span>
<h2 class="content__item__title">section8</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">누구에게나 결점은 있기 마련이지. 그분의 경우는 솔직하다는 게 결점이야.</p>
</section>
<!-- section8 끝 -->
<!-- section9 시작 -->
<section id="section9" class="content__item">
<span class="content__item__num">09</span>
<h2 class="content__item__title">section9</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">사람은 누구나 주어진 일과 원하는 것이 있다, 비록 보잘 것 없을 지라도. </p>
</section>
<!-- section9 끝 -->
</div>
</main>
<!-- //main -->
<aside id="parallax__info">
<div class="scroll">scrollTop : <span>0</span>px</div>
</aside>
<!-- parallax__info -->
<footer id="footer">
<div class="modal__wrap">
<div class="modal__btn">소스 보기</div>
<div class="modal__cont">
<div class="modal__box">
<div class="title">
<span class="dot" aria-label="true"></span>
<div class="tabs">
<div class="active">
<span class="favicon" aria-label="true">
<svg width="16" height="16" viewBox="0 0 18 18" fill="none" aria-hidden="true"
focusable="false">
<circle cx="9" cy="9" r="9" fill="#fff"></circle>
<path
d="M18 9C18 13.9706 15.4688 3.09375 9 10.125C2.53125 17.1562 0 13.9706 0 9C0 4.02944 4.02944 0 9 0C13.9706 0 18 4.02944 18 9Z"
fill="orange"></path>
<path
d="M18 9C18 13.9706 14.9062 0.84375 8.29688 6.1875C1.6875 11.5312 0 13.9706 0 9C0 4.02944 4.02944 0 9 0C13.9706 0 18 4.02944 18 9Z"
fill="yellow"></path>
</svg>
</span>
<em>Javascript</em>
<span class="close">
<svg width="18" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"
focusable="false">
<path d="M12.5 3.5L3.5 12.5" stroke="currentColor" stroke-width="1.5"
stroke-linecap="round" stroke-linejoin="round"></path>
<path d="M12.5 12.5L3.5 3.5" stroke="currentColor" stroke-width="1.5"
stroke-linecap="round" stroke-linejoin="round"></path>
</svg>
</span>
</div>
<div>
<span class="favicon" aria-label="true">
<svg width="16" height="16" viewBox="0 0 18 18" fill="none" aria-hidden="true"
focusable="false">
<circle cx="9" cy="9" r="9" fill="#fff"></circle>
<path
d="M18 9C18 13.9706 15.4688 3.09375 9 10.125C2.53125 17.1562 0 13.9706 0 9C0 4.02944 4.02944 0 9 0C13.9706 0 18 4.02944 18 9Z"
fill="orange"></path>
<path
d="M18 9C18 13.9706 14.9062 0.84375 8.29688 6.1875C1.6875 11.5312 0 13.9706 0 9C0 4.02944 4.02944 0 9 0C13.9706 0 18 4.02944 18 9Z"
fill="yellow"></path>
</svg>
</span>
<em>HTML</em>
<span class="close">
<svg width="18" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"
focusable="false">
<path d="M12.5 3.5L3.5 12.5" stroke="currentColor" stroke-width="1.5"
stroke-linecap="round" stroke-linejoin="round"></path>
<path d="M12.5 12.5L3.5 3.5" stroke="currentColor" stroke-width="1.5"
stroke-linecap="round" stroke-linejoin="round"></path>
</svg>
</span>
</div>
<div>
<span class="favicon" aria-label="true">
<svg width="16" height="16" viewBox="0 0 18 18" fill="none" aria-hidden="true"
focusable="false">
<circle cx="9" cy="9" r="9" fill="#fff"></circle>
<path
d="M18 9C18 13.9706 15.4688 3.09375 9 10.125C2.53125 17.1562 0 13.9706 0 9C0 4.02944 4.02944 0 9 0C13.9706 0 18 4.02944 18 9Z"
fill="orange"></path>
<path
d="M18 9C18 13.9706 14.9062 0.84375 8.29688 6.1875C1.6875 11.5312 0 13.9706 0 9C0 4.02944 4.02944 0 9 0C13.9706 0 18 4.02944 18 9Z"
fill="yellow"></path>
</svg>
</span>
<em>CSS</em>
<span class="close">
<svg width="18" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"
focusable="false">
<path d="M12.5 3.5L3.5 12.5" stroke="currentColor" stroke-width="1.5"
stroke-linecap="round" stroke-linejoin="round"></path>
<path d="M12.5 12.5L3.5 3.5" stroke="currentColor" stroke-width="1.5"
stroke-linecap="round" stroke-linejoin="round"></path>
</svg>
</span>
</div>
</div>
<span class="plus" aria-label="true">
<svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"
focusable="false">
<path d="M2.5 8H13.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"
stroke-linejoin="round"></path>
<path d="M8 2.5V13.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"
stroke-linejoin="round"></path>
</svg>
</span>
</div>
<div class="cont">
<div class="active">
<pre><code class="language-js">
</code></pre>
</div>
<div>
<pre><code class="language-html">
</code></pre>
</div>
<div>
<pre><code class="language-css">
</code></pre>
</div>
</div>
</div>
<div class="modal__close">
<svg width="18" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true" focusable="false">
<path d="M12.5 3.5L3.5 12.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"
stroke-linejoin="round"></path>
<path d="M12.5 12.5L3.5 3.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"
stroke-linejoin="round"></path>
</svg>
</div>
</div>
</div>
</footer>
<!-- //footer -->
<script src="../assets/js/highlight.min.js"></script>
<script src="../assets/js/common.js"></script>
<script>
window.addEventListener("scroll", () => {
let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop; //이렇게 3개 중첩해서 사용 가능
//01
if(scrollTop > 0 ){
document.querySelector("#parallax__nav").classList.add("show");
} else{
document.querySelector("#parallax__nav").classList.remove("show");
}
//02
window.addEventListener("scroll", ()=>{
let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop;
if(scrollTop + window.innerHeight >= document.body.scrollHeight){
document.querySelector("#parallax__top").classList.add("show")
}else {
document.querySelector("#parallax__top").classList.remove("show")
}
})
document.querySelector("#parallax__info span").innerText = Math.ceil(scrollTop)
})
document.querySelector("#parallax__top").addEventListener("click", ()=>{
window.scrollTo({left: 0, top: 0, behavior: "smooth"});
})
//03
let nowScroll = true; //실행 : 트리거 변수라고 부름
let lastScroll = 0;
function scrollProgress(){
nowScroll = true;
setInterval(()=>{
if(nowScroll){
nowScroll = false;
hasScroll();
}
}, 300)
}
function hasScroll(){ // hasScroll에 일단
let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop;
if(scrollTop < lastScroll){ //현재 스크롤 값이 이전 스크롤 값보다 작다면
document.querySelector("#parallax__nav").classList.add("show")
} else {
document.querySelector("#parallax__nav").classList.remove("show")
}
lastScroll = scrollTop; // 지금 현재 스크롤 값을 이전 스크롤 값에 넣은 뒤
}
window.addEventListener("scroll",scrollProgress);
</script>
</body>
</html>