JavaScript 弹窗

/* 弹窗内容 */
.modal-content {
background-color: #fefefe;
margin: 15% auto;
padding: 20px;
border: 1px solid #888;
width: 80%;
}

/* 关闭按钮 */
.close {
color: #aaa;
float: right;
font-size: 28px;
font-weight: bold;
}

.close:hover,
.close:focus {
color: black;
text-decoration: none;
cursor: pointer;
}

// 打开弹窗的按钮对象
var btn = document.getElementById(“myBtn“);

// 获取 元素，用于关闭弹窗
var span = document.querySelector(‘.close‘);

// 点击按钮打开弹窗
btn.onclick = function() {
modal.style.display = “block“;
}

// 点击 (x), 关闭弹窗
span.onclick = function() {
modal.style.display = “none“;
}

// 在用户点击其他地方时，关闭弹窗
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = “none“;
}
}

/* 弹窗内容 */
.modal-content {
position: relative;
background-color: #fefefe;
margin: auto;
padding: 0;
border: 1px solid #888;
width: 80%;
box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
–webkit-animation-name: animatetop;
–webkit-animation-duration: 0.4s;
animation-name: animatetop;
animation-duration: 0.4s
}

/* 添加动画 */
@-webkit-keyframes animatetop {
from {top:–300px; opacity:0}
to {top:0; opacity:1}
}

@keyframes animatetop {
from {top:–300px; opacity:0}
to {top:0; opacity:1}
}

/* 关闭按钮 */
.close {
color: white;
float: right;
font-size: 28px;
font-weight: bold;
}

.close:hover,
.close:focus {
color: #000;
text-decoration: none;
cursor: pointer;
}

.modal-header {
padding: 2px 16px;
background-color: #5cb85c;
color: white;
}

.modal-body {padding: 2px 16px;}

.modal-footer {
padding: 2px 16px;
background-color: #5cb85c;
color: white;
}