```
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>模态框实现</title>
<style>
h4 {
margin-left: 20px;
}
p {
text-align: center;
}
.btn {
width: 100px;
height: 35px;
border-radius: 5px;
font-size: 16px;
color: white;
background-color: cornflowerblue;
}
.btn:hover,
.btn:focus {
background-color: #95b4ed;
}
.modal {
display: none;
width: 100%;
height: 100%;
position: fixed;
left: 0;
top: 0;
z-index: 1000;
background-color: rgba(0, 0, 0, 0.5);
}
.modal-content {
display: flex;
flex-flow: column nowrap;
justify-content: space-between;
width: 50%;
max-width: 700px;
height: 40%;
max-height: 500px;
margin: 100px auto;
border-radius: 10px;
background-color: #fff;
-webkit-animation: zoom 0.6s;
animation: zoom 0.6s;
resize: both;
overflow: auto;
}
@-webkit-keyframes zoom {
from {
-webkit-transform: scale(0)
}
to {
-webkit-transform: scale(1)
}
}
@keyframes zoom {
from {
transform: scale(0)
}
to {
transform: scale(1)
}
}
.modal-header {
box-sizing: border-box;
border-bottom: 1px solid #ccc;
display: flex;
justify-content: space-between;
align-items: center;
}
.close {
color: #b7b7b7;
font-size: 30px;
font-weight: bold;
margin-right: 20px;
transition: all 0.3s;
}
.close:hover,
.close:focus {
color: #95b4ed;
text-decoration: none;
cursor: pointer;
}
.modal-body {
padding: 10px;
font-size: 16px;
box-sizing: border-box;
}
.modal-footer {
box-sizing: border-box;
border-top: 1px solid #ccc;
display: flex;
padding: 15px;
justify-content: flex-end;
align-items: center;
}
.modal-footer button {
width: 60px;
height: 35px;
padding: 5px;
box-sizing: border-box;
margin-right: 10px;
font-size: 16px;
color: white;
border-radius: 5px;
background-color: cornflowerblue;
}
.modal-footer button:hover,
.modal-footer button:focus {
background-color: #95b4ed;
cursor: pointer;
}
@media only screen and (max-width: 700px) {
.modal-content {
width: 80%;
}
}
</style>
</head>
<body><button class="btn" id="showModel">模态框展示</button>
<div id="modal" class="modal">
<div class="modal-content">
<header class="modal-header">
<h4>模态框标题</h4> <span class="close">×</span>
</header>
<div class="modal-body">
<p>HTML+CSS+JS原生实现响应式模态框演示！</p>
</div>
<footer class="modal-footer"> <button id="cancel">取消</button> <button id="sure">确定</button> </footer>
</div>
</div>
</body>
</html>
<script>
var btn = document.getElementById('showModel');
var close = document.getElementsByClassName('close')[0];
var cancel = document.getElementById('cancel');
var modal = document.getElementById('modal');
btn.addEventListener('click', function () { modal.style.display = "block"; });
close.addEventListener('click', function () { modal.style.display = "none"; });
cancel.addEventListener('click', function () { modal.style.display = "none"; });
</script>
随时随地看视频
