<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.popupStyle{
width:260px;
height:80px;
background-color: rgb(85,85,85);
/* display:none; */
color:#fff;
text-align:center;
line-height:80px;
border-radius:20px;
padding:8px 0;
position:fixed;
z-index:1;
top:2%;
left:50%;
transform:translateX(-50%);
}
.popupStyle::after{
content:"after";
color:black;
position:absolute;
top:100%;
left:50%;
transform:translateX(-50%);
border-width:10px;
line-height:15px;
border-style:solid;
border-color:rgb(1, 0, 5) transparent transparent transparent;
}
</style>
</head>
<body style="text-align:center;">
<h2 style="margin-top:200px;">Pop Up</h2>
<div style="text-align:center;">
<a href="#" onclick="stylePopup(styleMsg)">stylePopup</a>
<a href="#" onclick="domPopup(domMsg)">domPopup</a>
</div>
<span class="popupStyle" id="popup">popupStyle</span>
<script>
console.log(getComputedStyle(popup).display)
const styleMsg='Popup of style'
const domMsg='Popup of dom'
function stylePopup(message){
const popup=document.getElementById('popup')
console.log(popup)
popup.innerHTML=message || 'default messsage'
popup.style.display='block'
setTimeout(()=>{
popup.style.display='none'
},1000)
}
function domPopup(message){
const span=document.createElement('span')
span.innerHTML=message || 'default'
span.className='popupStyle'
span.style.display='block'
document.body.appendChild(span)
setTimeout(()=>{
span.remove()
},1000)
}
</script>
</body>
</html>
