Baseline Widely available
TextDecoder
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ãç¹å®ã®ããã¹ãã¨ã³ã³ã¼ãã£ã³ã°ãä¾ãã° UTF-8
ãISO-8859-2
ãKOI8-R
ãGBK
ãªã©ã®ãã³ã¼ãã¼ã表ãã¾ãããã³ã¼ãã¼ã¯å
¥åã¨ãã¦ãã¤ãã¹ããªã¼ã ãåãåããã³ã¼ããã¤ã³ãã®ã¹ããªã¼ã ãåºåãã¾ãã
ã¡ã¢: ãã®æ©è½ã¯ã¦ã§ãã¯ã¼ã«ã¼å ã§å©ç¨å¯è½ã§ãã
ã³ã³ã¹ãã©ã¯ã¿ã¼TextDecoder()
æ°ãã«çæãã TextDecoder
ãè¿ãã¾ããããã¯ã弿°ã§æå®ãããã³ã¼ãæ¹å¼ã使ç¨ãã¦é£ç¶ããã³ã¼ããã¤ã³ããçæãã¾ãã
TextDecoder
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ãä½ãããããã£ãç¶æ¿ãã¦ãã¾ããã
TextDecoder.encoding
èªåå°ç¨
ãã³ã¼ãã¼ã®åç§°ãæã¤æååã§ããããã㯠TextDecoder
ã使ç¨ããæ¹å¼ã表ãæååã§ãã
TextDecoder.fatal
èªåå°ç¨
ã¨ã©ã¼ã¢ã¼ãã fatal ã§ãããã示ãè«çå¤ã§ãã
TextDecoder.ignoreBOM
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ãã¤ããªã¼ãã¼ãã¼ã¯ãç¡è¦ãããã©ããã示ãè«çå¤ã§ãã
TextDecoder
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ãä½ãã¡ã½ãããç¶æ¿ãã¦ãã¾ããã
TextDecoder.decode()
ç¹å®ã® TextDecoder
ãªãã¸ã§ã¯ãã®æ¹å¼ã§ãã³ã¼ããããããã¹ããå«ãæååãè¿ãã¾ãã
ãã®ä¾ã§ã¯ãä¸å½èª/æ¥æ¬èªã®æå ããç°ãªã 5 種é¡ã®åä»ãé
åã Uint8Array
, Int8Array
, Uint16Array
, Int16Array
, Int32Array
ã§è¡¨ãã¾ãã
let utf8decoder = new TextDecoder(); // default 'utf-8' or 'utf8'
let u8arr = new Uint8Array([240, 160, 174, 183]);
let i8arr = new Int8Array([-16, -96, -82, -73]);
let u16arr = new Uint16Array([41200, 47022]);
let i16arr = new Int16Array([-24336, -18514]);
let i32arr = new Int32Array([-1213292304]);
console.log(utf8decoder.decode(u8arr));
console.log(utf8decoder.decode(i8arr));
console.log(utf8decoder.decode(u16arr));
console.log(utf8decoder.decode(i16arr));
console.log(utf8decoder.decode(i32arr));
UTF-8 ã§ã¯ãªãããã¹ãã®æ±ã
ãã®ä¾ã§ã¯ããã·ã¢èªã® "ÐÑивеÑ, миÑ!"ã "Hello, world." ã¨ããæå³ã®ããã¹ãããã³ã¼ããã¾ãã TextDecoder()
ã³ã³ã¹ãã©ã¯ã¿ã¼ã§ã¯ãããªã«èªã®æåã«é©ãã Windows-1251 æåã¨ã³ã³ã¼ãã£ã³ã°ãæå®ãã¾ãã
const win1251decoder = new TextDecoder("windows-1251");
const bytes = new Uint8Array([
207, 240, 232, 226, 229, 242, 44, 32, 236, 232, 240, 33,
]);
console.log(win1251decoder.decode(bytes)); // ÐÑивеÑ, миÑ!
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
TextEncoder
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