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JS에서 surrogate pair 를 포함한 문자열 자르기
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| > var str = '안녕하세요\ud83d\ude03하이'; | |
| undefined | |
| > str | |
| '안녕하세요😃하이' | |
| > str.length | |
| 9 | |
| > encodeURI(str.slice(0,6)) | |
| URIError: URI malformed | |
| at encodeURI (native) | |
| at repl:1:15 | |
| at REPLServer.defaultEval (repl.js:132:27) | |
| at bound (domain.js:254:14) | |
| at REPLServer.runBound [as eval] (domain.js:267:12) | |
| at REPLServer.<anonymous> (repl.js:279:12) | |
| at REPLServer.emit (events.js:107:17) | |
| at REPLServer.Interface._onLine (readline.js:214:10) | |
| at REPLServer.Interface._line (readline.js:553:8) | |
| at REPLServer.Interface._ttyWrite (readline.js:830:14) | |
| > var decodedArr = punycode.ucs2.decode(str); | |
| undefined | |
| > var slicedStr = punycode.ucs2.encode(decodedArr.slice(0,6)); | |
| undefined | |
| > slicedStr | |
| '안녕하세요😃' | |
| > encodeURI(slicedStr); | |
| '%EC%95%88%EB%85%95%ED%95%98%EC%84%B8%EC%9A%94%F0%9F%98%83' |
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