CSS isolation Property

February 10, 2021 12:37 pm IST

You are Here:

CSS isolation Property

CSS isolation property determines whether an element must create a new stacking context.

Example

HTML Online Editor

<!DOCTYPE html> <html lang="en-US"> <head> <style> #outerdiv{ background: #0080ff; height: 170px; } img{ width: 282px; height: 169px; mix-blend-mode: overlay; } #innerdiv{ isolation: isolate; } </style> </head> <body> <h1>CSS isolation Property</h1> <div id="outerDiv"> <div id="innerDiv"> <img src="car-left.png"> </div> </div> </body> </html>

Run

Syntax

Using CSS

element{ isolation: isolate; }

Using Javascript

object.style.isolation="isolate";

Animatable

No, isolation property is not animatable. CSS Animatable Properties Reference.

Default Value

Default value for CSS isolation property is auto.

Property Value

The following table provides a list of values for CSS isolation property.

Value	Explanation
auto	A new stacking context is created only if one of the properties applied to the element requires it.
isolate	A new stacking context must be created.

Using JavaScript

In the following example, we will demonstrate how to change the CSS isolation property of an element using JavaScript.

Example

HTML Online Editor

<!DOCTYPE html> <html lang="en-US"> <head> <style> #outerdiv{ background: #0080ff; height: 170px; margin-bottom: 20px; } img{ width: 282px; height: 169px; mix-blend-mode: overlay; } </style> </head> <body> <h1>CSS isolation Property</h1> <div id="outerDiv"> <div id="innerDiv"> <img src="car-left.png"> </div> </div> <button onclick="myFunction()">Click Me</button> <script> var x = document.getElementById("innerDiv"); function myFunction(){ x.style.isolation = "isolate"; } </script> </body> </html>

Run