Baseline 2023 *
Newly available
CSSStyleSheet()
ã³ã³ã¹ãã©ã¯ã¿ã¼ã¯ãæ°ãã CSSStyleSheet
ãªãã¸ã§ã¯ããçæãã¾ããããã¯ãåä¸ã®ã¹ã¿ã¤ã«ã·ã¼ãã表ãã¾ãã
ã¹ã¿ã¤ã«ã·ã¼ããæ§ç¯ããå¾ã¯ãCSSStyleSheet.replace()
ãCSSStyleSheet.replaceSync()
ãCSSStyleSheet.insertRule()
ãCSSStyleSheet.deleteRule()
ã®åã¡ã½ããã使ç¨ãã¦ãæ°ããã¹ã¿ã¤ã«ã·ã¼ãã®ã«ã¼ã«ã夿´ãããã¨ãã§ãã¾ãã
ãã®ã¡ã½ããã使ç¨ãã¦çæãããã¹ã¿ã¤ã«ã·ã¼ãã¯ãæ§ç¯ã¹ã¿ã¤ã«ã·ã¼ãã(constructed stylesheet) ã¨å¼ã°ãã¾ãã æ§ç¯ã¹ã¿ã¤ã«ã·ã¼ãã¯ã ShadowRoot.adoptedStyleSheets
ããã³ Document.adoptedStyleSheets
ã使ç¨ãã¦ææ¸ããã®ã·ã£ã㦠DOM ãµãããªã¼éã§å
±æãããã¨ãã§ãã¾ãã
new CSSStyleSheet()
new CSSStyleSheet(options)
弿°
options
çç¥å¯
以ä¸ã®ãã®ãæã¤ãªãã¸ã§ã¯ãã§ãã
baseURL
çç¥å¯
ã¹ã¿ã¤ã«ã·ã¼ãã®ç¸å¯¾ URL ã®è§£æ±ºã«ç¨ãã baseURL
ãæ ¼ç´ããæååã
media
çç¥å¯
ã¡ãã£ã¢ã«ã¼ã«ã®ãªã¹ããå«ã MediaList
ãã¾ãã¯åä¸ã®ã«ã¼ã«ãå«ãæååã
disabled
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è«çå¤ã§ãã¹ã¿ã¤ã«ã·ã¼ããç¡å¹ãã©ããã示ãã¾ããæ¢å®ã§ false ã«ãªãã¾ãã
次ã®ä¾ã§ã¯ãæ°ãã CSSStyleSheet
ã "print"
ã¨ããã¡ãã£ã¢ã«ã¼ã«ã§æ§ç¯ããã¦ãã¾ãã ã³ã³ã½ã¼ã«ã§ StyleSheet.media
ã表示ããã¨ããã®ããªã³ãã«ã¼ã«ã®åä¸ã®é
ç®ãæã¤ MediaList
ãè¿ããã¾ãã
let stylesheet = new CSSStyleSheet({ media: "print" });
console.log(stylesheet.media);
ã¹ã¿ã¤ã«ã·ã¼ãã®ã·ã£ã㦠DOM ã¨ã®å
±æ
次ã®ã³ã¼ãã¯ãã·ã¼ããæ§ç¯ããCSSStyleSheet.replaceSync()
ãå¼ã³åºãã¦ãã·ã¼ãã«ã«ã¼ã«ã追å ããæ§åã表ãã¾ãã
// 空ã®ãæ§ç¯ãã¹ã¿ã¤ã«ã·ã¼ããçæ
const sheet = new CSSStyleSheet();
// ã·ã¼ãã«ã«ã¼ã«ãé©ç¨
sheet.replaceSync("a { color: red; }");
ããã¦ãShadowRoot
ã使ãããã®ã·ã¼ããªãã¸ã§ã¯ããé
åå
ã® ShadowRoot.adoptedStyleSheets
ããããã£ã«æ¸¡ãã¦ãã¾ãã
// ææ¸å
ã«è¦ç´ ã使ããã·ã£ãã¦ã«ã¼ãã使ãã
const node = document.createElement("div");
const shadow = node.attachShadow({ mode: "open" });
//ã·ã¼ããã·ã£ã㦠DOM ã«å°å
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shadow.adoptedStyleSheets = [sheet];
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åã«è¿½å ããå¾ã®ã¹ã¿ã¤ã«ã·ã¼ãã¯å¤æ´ãããã¨ãã§ãã¾ãã æ¬¡ã®ä¾ã§ã¯ãCSSStyleSheet.insertRule()
ã使ç¨ãã¦ãåãã·ã¼ãã«æ°ããã«ã¼ã«ã追å ãã¦ãã¾ãã
sheet.insertRule("* { background-color: blue; }");
// ããã§ãææ¸ã®èæ¯ãéè²ã«ãªã
åãææ¸å
ã®è¤æ°ã®ã·ã£ãã¦ãµãããªã¼ã§åãã·ã¼ããå
±æãããã¨ãã§ãã¾ãã ãã以å¤ã®ä¾ã¯ãShadowRoot.adoptedStyleSheets
ãåç
§ãã¦ãã ããã
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