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CSSNumericValue.toSum() - Web API | MDN
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CSSNumericValue.toSum()
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: これは実験的な機能です。
本番で使用する前にブラウザー互換性一覧表をチェックしてください。
toSum() は CSSNumericValue インターフェイスのメソッドで、 CSSMathSum オブジェクトの値を、指定した単位の値に変換するものです。
構文
js
toSum(units);
引数
units-
変換先の単位です。
返値
CSSNumericValue です。
例外
TypeError-
無効な型がメソッドに渡された場合に発生します。
例
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%)"
仕様書
| Specification |
|---|
| CSS Typed OM Level 1 # dom-cssnumericvalue-tosum |
ブラウザーの互換性
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