StylePropertyMap.append()
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The append()
method of the
StylePropertyMap
interface adds the passed CSS value to the
StylePropertyMap
with the given property.
Syntax
StylePropertyMap.append(property,value)
Parameters
- property
-
An identifier indicating the stylistic feature (e.g. font, width, background color) to add.
- value
-
The value the given property should have.
Return value
Example
This example shows an extra background image value being added to the
background-image
property of the element, using
HTMLElement.attributeStyleMap
.
// get the button element
const buttonEl = document.querySelector('button');
// append another value to the background-image property set on the attribute
buttonEl.attributeStyleMap.append('background-image', 'linear-gradient(180deg, blue, black');
Specifications
Specification |
---|
CSS Typed OM Level 2 # dom-stylepropertymap-append |
Browser compatibility
BCD tables only load in the browser