setTimeout
setTimeout(function() { 실행할 코드} , 시간);<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap demo</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-4bw+/aepP/YC94hEpVNVgiZdgIC5+VKNBQNGCHeKRQN+PtmoHDEXuppvnDJzQIu9" crossorigin="anonymous">
<link rel="stylesheet" href="main.css">
<script src="https://code.jquery.com/jquery-3.7.0.min.js" integrity="sha256-2Pmvv0kuTBOenSvLm6bvfBSSHrUJ+3A7x6P5Ebd07/g=" crossorigin="anonymous"></script>
</head>
<body>
<div class="black-bg1">
<div class="white-bg">
<h4>로그인하세요</h4>
<form >
<div class="mb-3">
<input type="text" class="form-control" id="email">
</div>
<div class="mb-3">
<input type="password" class="form-control" id="password">
</div>
<button type="submit" id="submit" class="btn btn-primary">Submit</button>
<button type="button" class="btn btn-danger" id="close">닫기</button>
</form>
</div>
</div>
<nav class="navbar navbar-light bg-light">
<div class="container-fluid">
<a class="navbar-brand" href="#">Offcanvas navbar</a>
<span class="badge bg-dark ms-auto mx-3">Dark 🌛</span>
<button class="navbar-toggler" type="button">
<span class="navbar-toggler-icon "></span>
</button>
</div>
</nav>
<ul class="list-group" id="list1">
<li class="list-group-item">An item</li>
<li class="list-group-item">A second item</li>
<li class="list-group-item">A third item</li>
<li class="list-group-item">A fourth item</li>
<li class="list-group-item">And a fifth one</li>
</ul>
<button id="loginBtn" type="button" class="btn btn-primary">
버튼
</button>
<script>
$('#loginBtn').on('click', function(){
$('.black-bg1').addClass('show-modal1');
});
$('#close').on('click', function() {
$('.black-bg1').removeClass('show-modal1');
})
$('.navbar-toggler').on('click', function() {
$('.list-group').toggleClass('lg-open');
});
$('form').on('submit', function (e){
console.log(document.getElementById('email').value);
if($('#email').val() == ''){
alert('아이디를 입력하세요');
e.preventDefault(); // 폼 전송 막는 코드
}
if($('#password').val() == ''){
alert('패스워드를 입력하세요');
}else if($('#password').val().length <4){
alert('패스워드는 4자 이상이어야 합니다.');
}
});
//badge 클릭 시 글자를 Dark > Light 변경
var count = 0;
$('.badge').on('click', function (){
count++;
// count += 1;
// count = count+1;
console.log(count);
console.log(count % 2);
if(count % 2 === 0){
$('.badge').html('Dark 🌛');
$('.navbar').removeClass('navbar-dark');
$('.navbar').removeClass('bg-dark');
$('.navbar').addClass('navbar-light')
$('.navbar').addClass('bg-light')
}else if(count %2 === 1){
$('.badge').html('Light 🌞');
$('.navbar').removeClass('navbar-light');
$('.navbar').removeClass('bg-light');
$('.navbar').addClass('navbar-dark')
$('.navbar').addClass('bg-dark')
}
});
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-HwwvtgBNo3bZJJLYd8oVXjrBZt8cqVSpeBNS5n7C8IVInixGAoxmnlMuBnhbgrkm" crossorigin="anonymous"></script>
</body>
</html>
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