how to create an overlay in javascript code example
Example 1: css overlay
#hero{
background-image:url();
background-size:cover;
background-position:top center;
position:relative;
}
#hero::after{
content:'';
position:absolute;
left:0;
top:0;
height:100%;
width:100%;
background-color:black;
opacity:0.7;
}
Example 2: create overlay js
<body>
<div id="#overlay">
</div>
<div> content </div>
</body>
#overlay {
position: fixed;
display: none;
width: 100%;
height: 100%;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0,0,0,0.5);
z-index: 2;
cursor: pointer;
}
const on = () => {
document.getElementById("overlay").style.display = "block";
}
const off = () => {
document.getElementById("overlay").style.display = "none";
}
Example 3: overlay a box in css
html, body{
min-height: 100%;
}
body{
position: relative;
}
.overlay{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 10;
background-color: rgba(0,0,0,0.5);
}