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<body style="text-align:center">
<h2>弹窗</h2>
<div class="popup" onclick="myFunction()">点我有弹窗!
<span class="popuptext" id="myPopup">提示信息!</span>
</div>
</body>
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function myFunction() {
var popup = document.getElementById("myPopup");
popup.classList.toggle("show");
}
/* Popup container - can be anything you want */
.popup {
position: relative;
display: inline-block;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
/* The actual popup */
.popup .popuptext {
visibility: hidden;
width: 160px;
background-color: #555;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 8px 0;
position: absolute;
z-index: 1;
bottom: 125%;
left: 50%;
margin-left: -80px;
/* Popup arrow */
.popup .popuptext::after {
content: "";
top: 100%;
margin-left: -5px;
border-width: 5px;
border-style: solid;
border-color: #555 transparent transparent transparent;
/* Toggle this class - hide and show the popup */
.popup .show {
visibility: visible;
-webkit-animation: fadeIn 1s;
animation: fadeIn 1s;
/* Add animation (fade in the popup) */
@-webkit-keyframes fadeIn {
from {opacity: 0;}
to {opacity: 1;}
@keyframes fadeIn {
to {opacity:1 ;}
