浣滆€咃細Kai璇戣€咃細鍓嶇灏忔櫤鏉ユ簮锛歞ev鏈夋ⅵ鎯筹紝鏈夊共璐э紝寰俊鎼滅储銆愬ぇ鍗冧笘鐣屻€戣拷闅忚繖浣嶅噷鏅ㄨ繕鍦ㄦ礂纰楃殑娲楃鏅烘収銆傛湰鏂囧凡鏀跺綍鍒癎itHubhttps://github.com/qq449245884/xiaozhi锛岄噷闈㈡湁瀹屾暣鐨勬祴璇曠珯鐐广€佽祫鏂欏拰鎴戠殑涓€绾垮巶鍟嗚璋堢郴鍒楁枃绔犮€傛垜浠О涓€绯诲垪瀛楃涓哄瓧绗︿覆銆傝繖鏄嚑涔庢墍鏈夌紪绋嬭瑷€涓殑鍩烘湰绫诲瀷涔嬩竴銆傚湪杩欓噷鍚戜綘灞曠ず浣犲彲鑳借繕涓嶇煡閬撶殑10涓叧浜嶫S瀛楃涓茬殑缁濆鎶€宸э紵1銆佸浣曞娆″鍒朵竴涓瓧绗︿覆JS瀛楃涓插厑璁哥畝鍗曠殑閲嶅銆備笉鍚屼簬鎵嬪伐澶嶅埗瀛楃涓诧紝鎴戜滑鍙互浣跨敤瀛楃涓茬殑repeat鏂规硶銆俢onstlaughing='Xiaozhi'.repeat(3)consol.log(laughing)//"XiaozhiXiaozhiXiaozhi"consteightBits='1'.repeat(8)console.log(eightBits)//"11111111"2.濡備綍padastringtoaspecifiedlength鏈夋椂锛屾垜浠笇鏈涘瓧绗︿覆鍏锋湁鐗瑰畾鐨勯暱搴︺€傚鏋滃瓧绗︿覆澶煭锛屽垯闇€瑕佸～鍏呭墿浣欑┖闂达紝鐩村埌杈惧埌鎸囧畾鐨勯暱搴︺€備互鍓嶅鐢ㄥ簱left-pad銆備絾鏄紝浠婂ぉ鎴戜滑鍙互浣跨敤padStart鍜孲padEnd鏂规硶锛岄€夋嫨鍝鏂规硶鍙栧喅浜庢偍鏄鍦ㄥ瓧绗︿覆鐨勫紑澶磋繕鏄粨灏惧～鍏呭瓧绗︿覆銆?/鍦ㄥ紑澶存坊鍔犫€?鈥濓紝鐩村埌瀛楃涓查暱搴︿负8consteightBits='001'.padStart(8,'0')console.log(eightBits)//"00000001"//娣诲姞"*"鏈€鍚庯紝鐩村埌瀛楃涓茬殑闀垮害涓?銆俢onstanonymizedCode="34".padEnd(5,"*")console.log(anonymizedCode)//"34***"3.濡備綍灏嗗瓧绗︿覆鎷嗗垎鎴愬瓧绗︽暟缁勫瓧绗︿覆鎷嗗垎鎴怓or鐨勬柟娉曟湁寰堝绉嶅瓧绗︽暟缁勶紝鎴戞洿鍠滄浣跨敤灞曞紑杩愮畻绗?...)锛歝onstword='apple'constcharacters=[...word]console.log(characters)//["a","p","p","l","e"]璇锋敞鎰忥紝杩欏苟涓嶆€绘槸鎸夐鏈熷伐浣溿€傛湁鍏宠缁嗕俊鎭紝璇峰弬闃呬笅涓€涓彁绀恒€?.濡備綍璁＄畻瀛楃涓蹭腑鐨勫瓧绗﹀彲浠ヤ娇鐢╨ength灞炴€с€俢onstword="apple";console.log(word.length)//5浣嗘槸瀵逛簬涓枃鏉ヨ锛岃繖涓柟娉曚笉鏄緢闈犺氨銆俢onstword="皓附"console.log(word.length)//2鏃ユ枃姹夊瓧皓附杩斿洖闀垮害涓?锛屼负浠€涔堝憿锛烰S灏嗗ぇ澶氭暟瀛楃琛ㄧず涓?6浣嶄唬鐮佺偣銆備絾鏄紝鏌愪簺瀛楃琛ㄧず涓轰袱涓紙鎴栨洿澶氾級16浣嶄唬鐮佺偣锛岀О涓轰唬鐞嗛」瀵广€傚鏋滀綘浣跨敤length灞炴€э紝JS浼氬憡璇変綘浣跨敤浜嗗灏戜唬鐮佺偣銆傚洜姝わ紝皓附(hokke)鐢变袱涓唬鐮佺偣缁勬垚锛岃繑鍥為敊璇殑鍊笺€傞偅鎬庝箞鍒ゆ柇鍛紝鐢ㄨВ鏋勮繍绠楃鍙?...)constword="皓附"constcharacters=[...word]console.log(characters.length)//1杩欎釜鏂规硶鍦ㄥぇ澶氭暟鎯呭喌涓嬮兘鏈夋晥锛屼絾鏈変竴浜涙瀬绔儏鍐点€備緥濡傦紝濡傛灉浣跨敤琛ㄦ儏绗﹀彿锛屾湁鏃惰繖涓暱搴︿篃鏄敊璇殑銆傚鏋滅湡鐨勮璁＄畻鍑烘纭殑瀛楃闀垮害锛屽氨蹇呴』灏嗗崟璇嶅垎瑙ｆ垚瀛楃礌绨囷紙GraphemeClusters锛夛紝杩欒秴鍑轰簡鏈枃鐨勮寖鍥达紝杩欓噷涓嶅啀璧樿堪銆?.濡備綍鍙嶈浆瀛楃涓蹭腑鐨勫瓧绗﹀弽杞瓧绗︿覆涓殑瀛楃寰堝鏄撱€傚彧闇€缁勫悎鎵╁睍杩愮畻绗?...)銆丄rray.reverse鏂规硶鍜孉rray.join鏂规硶銆俢onstword="apple"constreversedWord=[...word].reverse().join("")console.log(reversedWord)//"elppa"鍜屼互鍓嶄竴鏍凤紝鏈変竴浜涜竟缂樻儏鍐点€傝竟缂樻儏鍐甸渶瑕侀鍏堝皢鍗曡瘝鎷嗗垎涓哄瓧绱犵皣銆?.濡備綍灏嗗瓧绗︿覆鐨勯瀛楁瘝澶у啓涓€涓緢甯歌鐨勬搷浣滃氨鏄皢瀛楃涓茬殑棣栧瓧姣嶅ぇ鍐欍€傝櫧鐒惰澶氱紪绋嬭瑷€閮芥湁鍘熺敓鐨勬柟寮忔潵鍋氬埌杩欎竴鐐癸紝浣咼S闇€瑕佸仛涓€浜涘伐浣溿€俵etword='apply'word=word[0].toUpperCase()+word.substr(1)console.log(word)//"Apple"anothermethod://杩欐樉绀轰簡鍙︿竴绉嶆柟娉晈ord="apple";//浣跨敤鎵╁睍杩愮畻绗?`...`)鎷嗗垎涓哄瓧绗onstcharacters=[...word];characters[0]=characters[0].toUpperCase();word=characters.join("");console.log(word);//銆夾pple銆?.濡備綍鍦ㄥ涓垎闅旂涓婃媶鍒嗕竴涓瓧绗︿覆鍋囪鎴戜滑瑕佸湪涓€涓垎闅旂涓婃媶鍒嗕竴涓瓧绗︿覆锛岄鍏堟兂鍒扮殑灏辨槸浣跨敤split鏂规硶锛岃繖涓€鐐癸紝濂囩背涓€瀹氱煡閬撱€備絾鏄紝浣犲彲鑳戒笉鐭ラ亾鐨勪竴鐐规槸锛宻plit鍙互鍚屾椂鎷嗗垎澶氫釜鍒嗛殧绗︼紝杩欏彲浠ラ€氳繃浣跨敤姝ｅ垯琛ㄨ揪寮忔潵瀹炵幇锛?/鐢ㄩ€楀彿锛?锛夊拰鍒嗗彿锛?锛夊垎闅斻€俢onstlist="apples,bananas;cherries"constfruits=list.split(/[,;]/)console.log(fruits);//["apples","bananas","cherries"]8.濡備綍妫€鏌ュ瓧绗︿覆鏄惁鍖呭惈鐗瑰畾搴忓垪瀛楃涓叉悳绱㈡槸涓€椤瑰父瑙佷换鍔°€傚湪JS涓紝鎮ㄥ彲浠ヤ娇鐢⊿tring.includes鏂规硶杞绘澗瀹屾垚姝ゆ搷浣溿€備笉闇€瑕佹鍒欒〃杈惧紡銆俢onsttext="浣犲ソ锛屼笘鐣岋紒鎴戝彨鍑紒"console.log(text.includes("鍑?));//鐪?銆傚浣曟鏌ュ瓧绗︿覆鏄惁浠ュ瓧绗︿覆寮€澶存垨缁撳熬澶勭殑鐗瑰畾搴忓垪寮€濮嬫垨缁撳熬瑕佽繘琛屾悳绱紝鎮ㄥ彲浠ヤ娇鐢⊿tring.startsWith鍜孲tring.endsWith鏂规硶銆俢onsttext="浣犲ソ锛屼笘鐣岋紒鎴戝彨鍑紒"console.log(text.startsWith("浣犲ソ"));//trueconsole.log(text.endsWith("world"));//閿欒10銆傚浣曟浛鎹㈡墍鏈夊嚭鐜扮殑浣嶇疆鏈夊绉嶆柟娉曞彲浠ユ浛鎹㈠瓧绗︿覆鐨勬墍鏈夊嚭鐜颁綅缃€傛偍鍙互浣跨敤String.replace鏂规硶鍜屽甫鏈夊叏灞€鏍囧織鐨勬鍒欒〃杈惧紡銆傛垨鑰咃紝鍙互浣跨敤鏂扮殑String.replaceAll鏂规硶銆傝娉ㄦ剰锛屾鏂版柟娉曞苟闈炲湪鎵€鏈夋祻瑙堝櫒鍜孨ode.js鐗堟湰涓兘鍙敤銆俢onsttext="鎴戝枩娆㈣嫻鏋溿€備綘鍠滄鑻规灉銆?console.log(text.replace(/apples/g,"bananas"));//"鎴戝枩娆㈤钑夈€備綘鍠滄棣欒晧銆?console.log(text.replaceAll("apples","bananas"));//銆嬫垜鎯虫€荤粨涓€涓嬶紝瀛楃涓叉槸鍑犱箮鎵€鏈夌紪绋嬭瑷€涓渶鍩烘湰鐨勬暟鎹被鍨嬩箣涓€銆傚悓鏃讹紝瀹冧篃鏄柊寮€鍙戜汉鍛樻渶鏃╁涔犵殑鏁版嵁绫诲瀷涔嬩竴銆備絾鏄紝灏ゅ叾鏄湪JavaScript涓紝璁稿寮€鍙戜汉鍛樺苟涓嶄簡瑙ｄ竴浜涘叧浜庡瓧绗︿覆鐨勬湁瓒ｇ粏鑺傦紝甯屾湜杩欑瘒鏂囩珷瀵逛綘鏈夋墍甯姪锛屾垜鏄皬鏅猴紝涓嬫湡瑙侊紝浠ｇ爜閮ㄧ讲鍚庡彲鑳藉瓨鍦ㄧ殑BUG鏃犳硶瑙ｅ喅瀹炴椂鐭ラ亾涔嬪悗涓轰簡瑙ｅ喅杩欎簺BUG锛屾垜鑺变簡寰堝鏃堕棿鍦ㄦ棩蹇楄皟璇曚笂锛岄『渚挎帹鑽愪竴涓ソ鐢ㄧ殑BUG鐩戞帶宸ュ叿Fundebug銆傚師鏂囷細https://dev.to/kais_blog/10-a...浜ゆ祦鏈夋ⅵ鎯筹紝鏈夊共璐э紝寰俊鎼滅储銆愬ぇ鍗冧笘鐣屻€戝叧娉ㄨ繖浣嶅噷鏅ㄨ繕鍦ㄦ礂纰楃殑娲楃鏅烘収銆傛湰鏂囧凡鏀跺綍鍒癎itHubhttps://github.com/qq449245884/xiaozhi锛岄噷闈㈡湁瀹屾暣鐨勬祴璇曠珯鐐广€佽祫鏂欏拰鎴戠殑涓€绾垮巶鍟嗚璋堢郴鍒楁枃绔犮€?/p>
