CSSNumericValue: add() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The add()
method of the
CSSNumericValue
interface adds a supplied number to the
CSSNumericValue
.
Syntax
js
add(number)
Parameters
number
-
Either a number or a
CSSNumericValue
.
Return value
Exceptions
TypeError
-
Thrown if an invalid type was passed to the method.
Examples
js
let mathSum = CSS.px("23")
.add(CSS.percent("4"))
.add(CSS.cm("3"))
.add(CSS.in("9"));
// Prints "calc(23px + 4% + 3cm + 9in)"
console.log(mathSum.toString());
Specifications
Specification |
---|
CSS Typed OM Level 1 # dom-cssnumericvalue-add |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
add |
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.