Baseline Widely available
Intl.Collator
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console.log(["Z", "a", "z", "ä"].sort(new Intl.Collator("de").compare));
// Expected output: Array ["a", "ä", "z", "Z"]
console.log(["Z", "a", "z", "ä"].sort(new Intl.Collator("sv").compare));
// Expected output: Array ["a", "z", "Z", "ä"]
console.log(
["Z", "a", "z", "ä"].sort(
new Intl.Collator("de", { caseFirst: "upper" }).compare,
),
);
// Expected output: Array ["a", "ä", "Z", "z"]
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Intl.Collator()
å建ä¸ä¸ªæ°ç Collator
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Intl.Collator.supportedLocalesOf()
è¿åä¸ä¸ªæ°åï¼å ¶ä¸å 嫿ä¾çåºåï¼localeï¼ä¸è¢«è¿è¡æ¶ææ¯æçï¼èä¸å¿ åéå°è¿è¡æ¶çé»è®¤åºåã
Intl.Collator.prototype.compare
getter 彿°ï¼æ ¹æ® Intl.Collator
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Intl.Collator.prototype.resolvedOptions()
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console.log(new Intl.Collator().compare("a", "c")); // -1ï¼æä¸äºå
¶ä»çè´å¼
console.log(new Intl.Collator().compare("c", "a")); // 1ï¼æä¸äºå
¶ä»çæ£å¼
console.log(new Intl.Collator().compare("a", "a")); // 0
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ä½¿ç¨ localesCollator.prototype.compare()
æä¾çç»æå¨ä¸åè¯è¨ä¹é´ææä¸åã为äºè·å¾ç¨äºä½ çåºç¨ç¨åºçç¨æ·çé¢çè¯è¨æ ¼å¼ï¼è¯·ç¡®ä¿ä½¿ç¨ locales
åæ°æå®äºè¯è¨ï¼å¯è½è¿æä¸äºåéè¯è¨ï¼ï¼
// å¾·è¯ä¸ï¼Ã¤ ä½¿ç¨ a çæåº
console.log(new Intl.Collator("de").compare("ä", "z"));
// -1ï¼æä¸äºå
¶ä»çè´å¼
// å¨çå
¸è¯ä¸ï¼Ã¤ æå¨ z ä¹å
console.log(new Intl.Collator("sv").compare("ä", "z"));
// 1ï¼æä¸äºå
¶ä»çæ£å¼
ä½¿ç¨ options
Collator.prototype.compare()
æä¾çç»æå¯ä»¥ä½¿ç¨ options åæ°èªå®ä¹ï¼
// å¾·è¯ä¸ï¼Ã¤ ä½¿ç¨ a ä½ä¸ºåºæ¬åæ¯
console.log(new Intl.Collator("de", { sensitivity: "base" }).compare("ä", "a"));
// 0
// çå
¸è¯ä¸ï¼Ã¤ å a æ¯åç¬çåºæ¬åæ¯
console.log(new Intl.Collator("sv", { sensitivity: "base" }).compare("ä", "a"));
// 1ï¼æä¸äºå
¶ä»çæ£å¼
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