StylePropertyMap: append() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The append()
method of the
StylePropertyMap
interface adds the passed CSS value to the
StylePropertyMap
with the given property.
Syntax
js
append(property, value)
Parameters
Return value
None (undefined
).
Examples
This example shows an extra background image value being added to the
background-image
property of the element, using
HTMLElement.attributeStyleMap
.
js
// 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 1 # dom-stylepropertymap-append |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
append |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- See implementation notes.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.