CSSNumericValue: toSum() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The toSum() method of the
CSSNumericValue interface converts the object's value to a
CSSMathSum object to values of the specified unit.
Syntax
js
toSum(units)
Parameters
units-
The units to convert to.
Return value
A CSSMathSum.
Exceptions
TypeError-
Thrown if an invalid type was passed to the method.
Examples
js
let v = CSS.px("23").add(CSS.percent("4")).add(CSS.cm("3")).add(CSS.in("9"));
v.toString(); // => "calc(23px + 4% + 3cm + 9in)"
v.toSum("px", "percent").toString(); // => "calc(1000.39px + 4%)"
Specifications
| Specification |
|---|
| CSS Typed OM Level 1 # dom-cssnumericvalue-tosum |
Browser compatibility
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