PS. + 기호 앞뒤 공백 유무 상관없음.
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
margin: 0;
font-size: 28px;
font-family: Arial, Helvetica, sans-serif;
}
.header {
background-color: #f1f1f1;
padding: 30px;
text-align: center;
}
#navbar {
overflow: hidden;
background-color: Tomato;
}
#navbar a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}
#navbar a:hover {
background-color: #ddd;
color: black;
}
#navbar a.active {
background-color: #4CAF50;
color: white;
}
.content {
padding: 16px;
}
.sticky {
position: fixed;
top: 0;
width: 100%;
}
.sticky + .content {
padding-top: 60px;
}
</style>
</head>
<body>
<div class="header">
<h2>홈짱닷컴</h2>
<p>Homzzang.com</p>
</div>
<div id="navbar">
<a class="active" href="javascript:void(0)">Home</a>
<a href="javascript:void(0)">HTML</a>
<a href="javascript:void(0)">CSS</a>
<a href="javascript:void(0)">JS</a>
</div>
<div class="content">
<h3>홈페이지 제작관리 + 서버관리</h3>
<p id='demo'></demo>
</div>
<script>
window.onscroll = function() {homzzang()};
var navbar = document.getElementById("navbar");
var sticky = navbar.offsetTop;
function homzzang() {
if (window.pageYOffset >= sticky) {
navbar.classList.add("sticky")
} else {
navbar.classList.remove("sticky");
}
}
var text = "";
var i;
for (i = 1; i <= 30; i++) {
text += i + ". 홈짱닷컴에 놀러오세요<br>";
document.getElementById("demo").innerHTML = text;
}
</script>
</body>
</html>
결과보기
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