JavaScript涓殑瀛楃涓蹭篃鍜孭ython涓€鏍锋敮鎸佸弽鏂滄潬鐨勪紶閫掞紝榛樿鐨勫瓧绗﹂泦鏄疷nicode銆備笅闈㈣缁嗗垎鏋愪竴涓婮avaScript涓殑瀛楃涓茬被鍨嬪拰瀛楃銆傚瓧绗︾紪鐮佹敮鎸佸皢瀛楃涓插畾涔変负鎺掑垪鍦ㄤ竴璧风殑闆朵釜鎴栧涓瓧绗︼紝鐢ㄥ崟寮曞彿鎴栧弻寮曞彿鎷捣鏉ャ€俙'abc'``"abc"`閲岄潰鐨勫崟寮曞彿瀛楃涓诧紝鍙互鐢ㄥ弻寮曞彿銆傚崟寮曞彿鍙互鍦ㄥ弻寮曞彿瀛楃涓蹭腑浣跨敤銆?key="value"'"It'salongjourney"浠ヤ笂閮芥槸鍚堟硶鐨勫瓧绗︿覆銆傚鏋滆鍦ㄥ崟寮曞彿瀛楃涓蹭腑浣跨敤鍗曞紩鍙凤紙鎴栧湪鍙屽紩鍙峰瓧绗︿覆涓娇鐢ㄥ弻寮曞彿锛夛紝鍒欏繀椤诲湪鍐呴儴鍗曞紩鍙凤紙鎴栧弻寮曞彿锛夊墠娣诲姞鍙嶆枩鏉犱互杞箟銆俙'Didshesay\'Hello\'?'``//"Didshesay'Hello'?"``"Didshesay\'Hello\'?"``//"Didshesay'Hello'?"`鍥犱负HTML璇█鐨勫睘鎬у€间娇鐢ㄥ弻寮曞彿锛屾墍浠ュ緢澶氶」鐩兘鍚屾剰JavaScript璇█鐨勫瓧绗︿覆鍙娇鐢ㄥ崟寮曞彿锛屾湰鏁欑▼涔熼伒寰繖涓害瀹氥€傚綋鐒讹紝鍙娇鐢ㄥ弻寮曞彿鏄畬鍏ㄦ病闂鐨勩€傞噸瑕佺殑鏄潥鎸佷竴绉嶉鏍硷紝鑰屼笉鏄贩鍚堜袱绉嶉鏍笺€傞粯璁ゆ儏鍐典笅锛屽瓧绗︿覆鍙兘鍐欏湪涓€琛屼腑锛屽鏋滃垎鎴愬琛岋紝浼氭姤閿欍€俙'a``b``c'``//SyntaxError:UnexpectedtokenILLEGAL`浠ヤ笂浠ｇ爜灏嗕竴涓瓧绗︿覆鍒嗘垚涓夎锛孞avaScript浼氭姤閿欍€傚鏋滀竴涓暱瀛楃涓插繀椤诲垎鎴愬琛岋紝鍙互鍦ㄦ瘡琛岀殑鏈熬浣跨敤鍙嶆枩鏉犮€俙var``longString=``"Long\``long\``long\``string"``;``logString``//"Longlonglongstring"`浠ヤ笂浠ｇ爜琛ㄧず鍔犲弽鏂滄潬鍚庯紝鍘熸潵鍐欏湪涓€琛岀殑瀛楃涓插彲浠ュ啓鎴愬琛屻€備絾鏄緭鍑虹殑杩樻槸鍗曡锛屽拰鍐欏湪鍚屼竴琛岀殑鏁堟灉鏄竴妯′竴鏍风殑銆傛敞鎰忓弽鏂滄潬鍚庨潰蹇呴』璺熸崲琛岀锛屼笉鑳芥湁鍏朵粬瀛楃锛堟瘮濡傜┖鏍硷級锛屽惁鍒欎細鎶ラ敊銆傝繛鎺ヨ繍绠楃锛?锛夊彲浠ヨ繛鎺ュ涓崟琛屽瓧绗︿覆锛屽皢涓€涓暱瀛楃涓叉媶鍒嗘垚澶氳锛岃緭鍑哄崟琛屻€俙var``longString=``'Long'``+``'long'``+``'long'``+``'string'``;`濡傛灉瑕佽緭鍑哄琛屽瓧绗︿覆锛屾湁涓€涓敤浜庡琛屾敞閲婄殑瑙ｅ喅鏂规硶銆俙(``function``(){``/*``绗?琛宍`绗?琛宍`绗?琛宍`*/``}).toString().split(``'\n'``).slice(1,-1).join(``'\n'``)``//"line1``//line2``//line3"`鍦ㄤ笂闈㈢殑渚嬪瓙涓紝杈撳嚭瀛楃涓睮t鏄绾跨殑銆侲scape鍙嶆枩鏉?)鍦ㄥ瓧绗︿覆涓湁鐗规畩鐨勫惈涔夛紝鐢ㄦ潵琛ㄧず涓€浜涚壒娈婄殑瀛楃锛屾墍浠ヤ篃绉颁负杞箟绗︺€傞渶瑕佺敤鍙嶆枩鏉犺浆涔夌殑鐗规畩瀛楃涓昏鏈夛細0绌哄€硷紙u0000锛塨杩斿洖閿紙u0008锛塮鎹㈤〉绗︼紙u000C锛塶鎹㈣绗︼紙u000A锛塺鍥炶溅绗︼紙u000D锛塼鍒惰〃绗︼紙u0009)vverticaltab(u000B)'鍗曞紩鍙?u0027)"鍙屽紩鍙?u0022)鍙嶆枩鏉?u005C)浠ヤ笂瀛楃鍓嶆湁鍙嶆枩鏉狅紝琛ㄧず鐗规畩鍚箟銆俙console.log(``'1\n2'``)``//1``//2`涓婇潰浠ｇ爜涓紝n琛ㄧず鎹㈣锛岃緭鍑烘椂鍒嗘垚涓よ銆傚弽鏂滄潬鏈?绉嶇壒娈婄敤娉曘€傦紙1锛塇HH鍙嶆枩鏉犲悗璺熶笁涓叓杩涘埗鏁帮紙000鍒?77锛夛紝浠ｈ〃涓€涓瓧绗︺€侶HH瀵瑰簲瀛楃鐨刄nicode鐮佷綅锛屾瘮濡?51浠ｈ〃鐗堟潈绗﹀彿銆傛樉鐒惰繖绉嶆柟娉曞彧鑳借緭鍑?56涓瓧绗︺€?2)xHHx鍚庨潰璺熺潃涓や釜鍗佸叚杩涘埗鏁板瓧锛?0鍒癋F锛夛紝浠ｈ〃涓€涓瓧绗︼紝HH瀵瑰簲瀛楃鐨刄nicode鐮佷綅锛屽xA9浠ｈ〃鐗堟潈绗﹀彿銆傝鏂规硶鍙兘杈撳嚭256涓瓧绗︺€?3)uXXXXu鍚庨潰璺熺潃鍥涗釜鍗佸叚杩涘埗鏁帮紙0000鍒癋FFF锛夛紝浠ｈ〃涓€涓瓧绗︺€侶HHH瀵瑰簲瀛楃鐨刄nicode鐮佷綅锛屽u00A9浠ｈ〃鐗堟潈绗﹀彿銆備笅闈妇渚嬭鏄庤繖涓変釜瀛楃殑鐗规畩鍐欐硶銆俙'\251'``//"漏"``'\xA9'``//"漏"``'\u00A9'``//"漏"``'172'``===``'z'``//true``'\x7A'``===``'z'``//true``'\u007A'``===``'z'``//true`濡傛灉鍦ㄩ潪鐗规畩瀛楃鍓嶄娇鐢ㄥ弽鏂滄潬锛屽垯鐪佺暐鍙嶆枩鏉犮€俙'\a'``//"a"`涓婇潰浠ｇ爜涓紝a涓烘櫘閫氬瓧绗︼紝鍓嶉潰鐨勫弽鏂滄潬娌℃湁鐗规畩鍚箟锛屽弽鏂滄潬浼氳嚜鍔ㄧ渷鐣ャ€傚鏋滃瓧绗︿覆鐨勬甯稿唴瀹归渶瑕佸寘鍚弽鏂滄潬锛岄偅涔堝氨闇€瑕佸湪鍙嶆枩鏉犲墠鍔犱竴涓弽鏂滄潬杩涜鑷韩杞箟銆俙"Prev\\Next"``//"Prev\Next"`瀛楃涓插拰鏁扮粍瀛楃涓查兘鍙互鐪嬩綔鏄瓧绗︽暟缁勶紝鎵€浠ュ彲浠ヤ娇鐢ㄦ暟缁勭殑鏂规嫭鍙疯繍绠楃杩斿洖鏌愪釜浣嶇疆鐨勫瓧绗︼紙浣嶇疆缂栧彿浠?寮€濮嬶級銆俙var``s=``'hello'``;``s[0]``//"h"``s[1]``//"e"``s[4]``//"o"`//鐩存帴鍦ㄥ瓧绗︿覆涓婁娇鐢ㄦ柟鎷彿杩愮畻绗?hello'``[1]//濡傛灉鏂规嫭鍙蜂腑鐨勬暟瀛楄秴杩囧瓧绗︿覆鐨勯暱搴︼紝鎴栬€呮柟鎷彿涓殑鏁板瓧锛屽垯杩斿洖"e"鎷彿鏍规湰涓嶆槸鏈畾涔夌殑鏁板瓧銆俙'abc'``[3]``//undefined``'abc'``[-1]``//undefined``'abc'``[``'x'``]``//undefined`鐒惰€岋紝瀛楃涓蹭笌鏁扮粍鐨勭浉浼兼€у埌姝や负姝€備簨瀹炰笂锛屾病鏈夊姙娉曟敼鍙樺瓧绗︿覆涓殑鍗曚釜瀛楃銆俙var``s=``'hello'``;``delete``s[0];``s``//"hello"``s[1]=``'a'``;``s``//"hello"``s[5]=``'!'``;``s`//"hello"`涓婇潰鐨勪唬鐮佽〃绀哄瓧绗︿覆閲岄潰鐨勫崟涓瓧绗︿笉鑳芥敼鍙橈紝娣诲姞鎴栧垹闄わ紝杩欎簺鎿嶄綔灏嗛潤榛樺け璐ャ€傚瓧绗︿覆涔嬫墍浠ョ被浼间簬瀛楃鏁扮粍锛屽叾瀹炴槸鍥犱负褰撳瀛楃涓茶繘琛屾柟鎷彿鎿嶄綔鏃讹紝瀛楃涓蹭細鑷姩杞负瀛楃涓插璞°€俵ength灞炴€ength灞炴€ц繑鍥炲瓧绗︿覆鐨勯暱搴︼紝杩欎釜灞炴€т笉鑳芥敼鍙樸€俙var``s=``'hello'``;``s.length``//5``s.length=3;``s.length``//5``s.length=7;``s.length``//5`浠ヤ笂浠ｇ爜琛ㄧず瀛楃涓茬殑length灞炴€т笉鑳芥敼鍙橈紝浣嗘槸涓嶄細鎶ラ敊銆傚瓧绗﹂泦JavaScript浣跨敤Unicode瀛楃闆嗭紝涔熷氨鏄鍦↗avaScript鍐呴儴锛屾墍鏈夌殑瀛楃閮芥槸鐢║nicode琛ㄧず鐨勩€備笉浠匤avaScript鍐呴儴浣跨敤Unicode鏉ュ瓨鍌ㄥ瓧绗︼紝绋嬪簭涓篃鍙互鐩存帴浣跨敤Unicode銆傛墍鏈夌殑瀛楃閮藉彲浠ュ啓鎴愨€渦xxxx鈥濈殑褰㈠紡锛屽叾涓瓁xxx浠ｈ〃瀛楃鐨刄nicode缂栫爜銆備緥濡傦紝u00A9浠ｈ〃鐗堟潈绗﹀彿銆俙var``s=``'\u00A9'``;``s``//"漏"`姣忎釜瀛楃鍦↗avaScript鍐呴儴浠?6浣嶏紙鍗?涓瓧鑺傦級鐨刄TF-16鏍煎紡瀛樺偍銆備篃灏辨槸璇达紝JavaScript鐨勫崟浣嶅瓧绗﹂暱搴﹀浐瀹氫负16浣嶏紝鍗?涓瓧鑺傘€備絾鏄疷TF-16鏈変袱绉嶉暱搴︼細瀵逛簬U+0000鍒癠+FFFF涔嬮棿鐨勫瓧绗︼紝闀垮害涓?6浣嶏紙鍗?涓瓧鑺傦級锛涘浜嶶+10000鍒癠+10FFFF涔嬮棿鐨勫瓧绗︼紝闀垮害涓?2浣嶏紙鍗?涓瓧鑺傦級锛屽墠涓や釜瀛楄妭鍦?xD800鍒?xDBFF涔嬮棿锛屽悗涓や釜瀛楄妭鍦?xDC00鍒?xDFFF涔嬮棿銆傛瘮濡俇+1D306瀵瑰簲鐨勫瓧绗︽槸饾寙锛岀敤UTF-16鍐欐垚0xD8340xDF06銆傛祻瑙堝櫒浼氭纭湴灏嗚繖鍥涗釜瀛楄妭璇嗗埆涓轰竴涓瓧绗︼紝浣咼avaScript鐨勫唴閮ㄥ瓧绗﹂暱搴﹀缁堝浐瀹氫负16浣嶏紝骞跺皢杩欏洓涓瓧鑺傝涓轰袱涓瓧绗︺€俙var``s=``'\uD834\uDF06'``;``s``//"饾寙"``s.length``//2``/^.$/.test(s)``//false``s.charAt(0)``//""``s.charAt(1)``//""``s.charCodeAt(0)``//55348``s.charCodeAt(1)``//57094`浠ヤ笂浠ｇ爜琛ㄦ槑锛屽浜嶶+10000鍒癠+10FFFF涔嬮棿鐨勫瓧绗︼紝JavaScript濮嬬粓灏嗗叾瑙嗕负涓や釜瀛楃锛堝瓧绗︾殑length灞炴€т负2锛夛紝鐢ㄤ簬鍖归厤鍗曚釜character姝ｅ垯琛ㄨ揪寮忎細澶辫触锛圝avaScript璁や负鏈夊涓瓧绗︼級锛宑harAt鏂规硶涓嶈兘杩斿洖鍗曚釜瀛楃锛宑harCodeAt鏂规硶杩斿洖姣忎釜瀛楄妭瀵瑰簲鐨勫崄杩涘埗鍊笺€傛墍浠ュ湪澶勭悊鐨勬椂鍊欙紝蹇呴』瑕佽€冭檻鍒拌繖涓€鐐广€傚浜?瀛楄妭鐨刄nicode瀛楃锛屽亣璁綜涓哄瓧绗︾殑Unicode缂栧彿锛孒涓哄墠涓や釜瀛楄妭锛孡涓哄悗涓や釜瀛楄妭锛屽畠浠箣闂寸殑杞崲鍏崇郴濡備笅銆俙//灏嗗ぇ浜嶶+FFFF鐨勫瓧绗︿粠Unicode杞崲涓篣TF-16``H=Math.floor((C-0x10000)/0x400)+0xD800``L=(C-0x10000)%0x400+0xDC00``//灏嗗ぇ浜嶶+FFFF鐨勫瓧绗︿粠UTF-16杞负Unicode``C=(H-0xD800)*0x400+L-0xDC00+0x10000`涓嬮潰鐨勬鍒欒〃杈惧紡鍙互璇嗗埆鎵€鏈夌殑UTF-16瀛楃銆?[\0-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF])鐢变簬JavaScript寮曟搸锛堜弗鏍兼潵璇存槸ES5瑙勮寖锛夋棤娉曡嚜鍔ㄨ瘑鍒緟鍔╁钩闈紙鏁伴噺澶т簬0xFFFF)Unicode瀛楃锛屽鑷存墍鏈夊瓧绗︿覆澶勭悊鍑芥暟閬囧埌姝ょ被瀛楃閮戒細浜х敓閿欒鐨勭粨鏋溿€傚鏋滆瀹屾垚瀛楃涓茬浉鍏崇殑鎿嶄綔锛屽繀椤诲垽鏂瓧绗︽槸鍚﹁惤鍦?xD800鍒?xDFFF鐨勮寖鍥村唴銆備笅闈㈡槸姝ｇ‘澶勭悊瀛楃涓查亶鍘嗙殑鍑芥暟銆俙`function``getSymbols(string){``var``length=string.length;``var``index=-1;``var``output=[];``var``character;``var``charCode;``while``(++index
