The HTML DOM style isolation property is for defining if the element must create a new stacking content or not. This property is mainly used for preventing the element from blending in the background by creating a separate stack element.
Following is the syntax for −
Setting the isolation property −
object.style.isolation = "auto|isolate|initial|inherit"
The above properties are explained as follows −
| Value | Description |
|---|---|
| auto | Thisis default property for setting the height. |
| length | Thisis for defining the height in length units. |
| % | Fordefining the height relative to parent element in percentage. |
| initial | Forsetting this property to initial value. |
| inherit | Toinherit the parent property value |
Let us look at an example for the isolation property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#demo{
background-color: lightpink;
width: 250px;
height: 250px;
}
#demo2{
width: 100px;
height: 100px;
border: 3px solid red;
padding: 4px;
mix-blend-mode:difference;
}
</style>
<script>
function changeIsolation() {
document.getElementById("demo1").style.isolation="isolate";
document.getElementById("Sample").innerHTML="The inner div has now been isolated";
}
</script>
</head>
<body>
<div id="demo">
<div id="demo1">
<div id="demo2">
INNER DIV
</div>
</div>
</div>
<p>Change the isolation mode for the inner div by clicking the below button</p>
<button onclick="changeIsolation()">Change Isolation</button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change Isolation” button −
