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صĸɱЩ˵֮һ,Ѿȥһ࣬ҲԭĽصŵģ
ǹϸɻʱ,´һòֹһ,źɵǣΪʲô׳һɣͲؼҹꣿ
ձϱŸƤ,һũʵͽģ,˵ĵطԣֻũʱڲŸҳһ,ǮӽѧѣܸӶƼ,֪Щִٵش˴,ϱƤϰ,㡭ǻҪǶһһúøɵģ
ױйҪؼ,һֱȱ˵ġ
ֿ,УСЩ,ûô⣬˳紵ɹģҲʲô,:ʲôϵ
Ƕһ,Ҵֶӡ¼ƤҲûôС
ԭԵ,ԽԽ,εʵ̫ײ,ü,˵ɱɱ˿ڹĵطʺ϶һ˷㣬Ǻüһҹ¡
˲°˸ãɵúòǮ˭Ҫ͵ˣ
˺һ
ŵһӣ˵ңңǶúµġ
ϾĸŮ˵ǰסҲǹѾõĽֽһ̣̼㣬Ǵˣûõķ磬װˮƤһ磬ϻ䣬Щ˵ĿǷΧڡ
˸ˣǽȥסĵطѶ£ɻ
˳ҲЩ˶ʲôЩ
ҲЩ˻ᷢʲôиʲôһˮ࣬ʮ궼˷֡
ͷʧٸˣ̫ˡ
*
һÿܶпԵģ֮ѧУΪ˾һѧǵ״ֿ̬ʼܿ
ʦǻѾӳЩѣΪѾĩѧڵĿγѾȫ꣬뵽ϰΣʦǾͽѧѧȫݣŵܿԾС
һõԾſûѧǣһ뵽С
ܿɼһ˶뵽һƬȥ
Dz˵ǾӺѣΪɼһijӣ˵ѣʦǻô˵Ϊʲô˼ҽDz
ʦһֱĴ
ۿǣǰɣǰɣǿĶʲô
ΪһСС
ܷˣ
ѧϰûܷɵʱѵǵʱ
۾˳ôҪһijЩĿһתֿȫѧǸʲôˣĵһ˼ҽûƮǵƮˣؿģ
ҪǸ߿ⲻﳤĵһѣ浽˸߿ǶĴѧʱٸҲ٣
һܿͽͬѧԭЩƯģһͷԹѵʦ⣬ָĹĺˣһֻĹٰϣС꣡ЦһΪֻڹٰϣҸ˵пԳɼĩԳɼֱӺͽѧҹģ
۾ŽҪýѧֻһɼûõģؼĩԣ˵ѧ:Ϊѧأÿƽаýѧ
ѧһ㶣ѧƽа£
֮ǰν̬ȣһƽаҲýѧȫ˫Ŀʦི㡣
ʦû˵һƽаֻһѧ£ֻ˵ÿƽа
һӰѰѧѧϰԵˣǰĻǰΪԼпõѧ
ʦû˵ǣƽаѧõĴȽѧ
һȽѧͶȽѧصá
ڣǰdz˸ȫصһⲻͿһһȽѧ
ǽпԣ꼶ǰʮҪĩԣзӵôõĻпõһȽѧ
ʦͼһȽѧҪDZƽаѧˣӾʹˣܶصİЦһꡣ
һÿο֮ѧǶһ̬ɵĽΣʦҪģٴνѧǵѧϰԵ
صҲ⡣
һİΣԼѧվڽ̨ϣǻЦǻЦijָѧȼ꼶ǰDzǶˣôһУ벻һȽѧˣ
ѧ˵һ㶡
ǵDZһеʦֱҵУ˵ԸȥһоͶĻѧѣһǧǮĽ
ǿһǧǮܶͥһ궼治һǧǮ
֮ÿ껹ǵijɼнѧһȽѧٿǮȽѧٿǮȽѧһٿǮ()?()
һٿǮںܶһµĹʡ()?()
ǶDZһиĽͽѧģ꼶һĽѧ꼶ǰʮĽѧһǰ꼶һľֻѧX֮䣬϶ϺҦľˡ()?()
ͻȻսһѹͷϣһӾѹ
?߾¸С[]һʱ.?½ڣס[()]???..?
()?()
ѧǸãɼãҲʮѧϰûѧѹ
ɳС
бҵ˾Ϊҳȥ·ˡ
һеʦҵң˵ԸһоͶѧѣѧĻϸҲѡ
ũŮӶ鲻ѣũŮӶкѡ
֮ǰľѧѲߣŮһЩļͥԸŮЩ飬ϵü֣ɵУ˵ŮӣкӣܶҲȥ˼ңʮҾͽģȱȽǣ˶ʮĻûŮŮԱΪˣ˶ʮ廹ûûģǸĸҪĶDzҪһӴˣᵽǣҲDzë
ŮҲһʮ߰ͿԶס
Ѿʮˡ
طDzģꡣ
ǴܶͬĹ綨˻飬ֻŹͽˣЩģʮ궼кˡ
ﲻˣϴѧҪýѧ
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ѧһŵǰܲ˶쳤˲ӣͣҪܲʦСƤʹ飬ʹܡ
ţ;ķ֣ԼڰֽˣҪٽȥҪȫǰˡ
Ѿܾûн뵽ˣ༶ǰôȻֻ֮С
ΪԼںɼģһֻбҵ
Ŀκŷ֣ںġ
ԭǰֻװں
ȻֲɵؽΪάԼijɼ˲һΣÿ༶ǰһΣҪȫһڶ
Ҫǿȫһһֱά֣Ͳ˲ɣ
ˣ꼶ҲǿԿû˲
뵽ڽĩϿÿοԵΣضʱͷƤһĴ½ÿͲȥ·ˣǸŬѧϰ
ĩһҪڽ·
ʱ䣬
ȫѧϰˣ
ѧϰ֮Ŭ
֮ùԭ춼Ŵͯնž
ͯܿһУ֮ǰijɼȻ֮߰˰ףҲΪ̫Ŭ˼ڴˡ
*
ɻôˣDzﲻԷֽɻЩIJɡ
Դ֮ɻӶѹͷϵ֣ӶDzʶ㽭̻ؼңȥ
ȫû취ѧϰϿʱҲ
Ͽν౾Ϳ죬صĽ죬ɻֻ˸ȻعոʦʲôˣҪȥѧúۡ
ǸԼһֱˣȻ֪Ǿȥʡ
ѧУܵıһлϣƽʱѧȥЩסУʹĩҲţȥĶȥʱ䣬ʲôʱҪڳǼDZдòܳȥˣһſڣֻ첻ȥ
һеүһ˫۾һһ۾Ϳһеѧ
ү˵ҿд߳ģΪʹˣ۾ͻˣأ
ɻһУԭүѽģ룬ֻȥˡ
Ͼͺˣȥ֪ˡ
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ɻżĵȴٵĵСȴºٵ
һ͵ûؼˡ
ȥʦ̣ܰܲܲȥסѧУ
ǿ϶DzܵİżٶؼңҲҪؼҵİܰ˵
ֻиϿΣһ߶Ƿżٵģ¥ֻиһ߶ѧסѧס¥DZߡ
˵СԸ⣬ĩȻ١
Եĵ죬ߵľֻʣͺСˡ
СҲûߣЩʣ㲻ؼ𣿡
ҡֵʱһ¡
ܳһʱҶ˵һֻһ˵ķӣİȫݡ
ҲǼңΪûмˡ
뵽ң뵽ӣ֮ǰǮװޣҲ֪װôˣз֤ڷźˣҲȥˡ
ԺС˵ڵꡣ
úСЩĽ
Ҵ㶼ڼңһŴüŮˡǵĴһĴ˯
ֻܺ˯
ɺС߶һˣ˯ȣ䣬ʱ˯Ժˣ쵽ȥҹѡ
㱻żҸϻҲҪһ˻żﰦ̾Ů࣬һ㶼ȥ
ǵûȥ
СżûеطסγˣүүԱӣүүסҲŽүүסһСģңҪôУſڸӣҪôסд
ԽҪϽȥУԼӵķ֤ϽװãٰԼǨȥ뿪ԶԶġ
ԺүүΪͿԻؼˣû뵽Ůûдȥ˵үүȻȥɣҪȥвμıľ()?()
үүŮıˣɻʣıûꣿ3()_[()]3?3+?+?3()?()
û갡ϴϰǾһǧأڷźˣûʲô£DZ߶죬үүұڻй䡣()?()
֪үүǺϲеķ羰ġ
ʱュ꣬ÿ춼ʮʮǮĽˣүүһһǧٿǮĽҲһվʲôңߣүүμӱȥ()?()
ʱijҩʳүүڲݵƤͷˣԳЩ⡣
үүȥиһ¡
ŮְҽԺүүDz⣺ǾĻ죿
㲻ô췽ôϲ죿
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ʱԣүүסԺүүúһϵһЩ겡Ȼ˵Լȥ
үүϴסѾ·˵ȥȥùҡ˵ŻõúܣҪչ˵ģֲڴϲܶˡ
үһܶŮһֱҽԺչڣԼһ˱֣ҽԺڵĺܡ
ŽүүסԺĹֱȥǮǡ
ǮѰѽĶȫã˵ߵװŶѾˣҪҪȥǵ巿ǴϰĹʦƣ
ܶͻԭǷDzȤģһ巿ǹʦƣȥ巿ԭķӣˡ
ٵǩ֣źͬȲϣȥסְ֤Ұ֤ٻǮӡڵķӣûкʵƼһ
£()?()
ǮѾ֪СǡΡߣΡڡأ飬Ҳܻ𱬣Լ¥ûµʱͻᷭſû뵽ӺôҪˣһʱЩĽ()?()
ʱķгΣܶ෨ɷ溢ƣʮʮδҪмͬȫȴҪֻ轭ˮʹС()?()
ڽһ˰õڴѾõķ֤֮صǮȥװ巿
?߾¸С[]һʱ.?½ڣס[()]?20??p?p?
()?()
Ľ裬ȻʮֻֻΧиĹڽ裬̳֮Щˣ֮ңҲùģģֶˣӡġ
СҲˣڽ赱С
巿DZģžǿһˮƽյֻ
ִָߣˣô¥ռҪСһЩͻĻŷʽĻװޣǺܻ˵ġ
忴һװǺܷԼҪ
̫ˡ
Ǯص¥Ǯϸ˵ԼװǽشЬ
˵һǽȫɹӣЬǹ·ð
ǰӵĺܣҲֻңԽסСӣԽɵҪԡ
еĶѻ棬ңܼеǽϣϹӣеĶȥ
ҲҪڵ¹Ǯ˵еĹӶҪҵġ
鷿Ҫǽ
ǽشɹźá
յΡڶβĽʱDzƴֵʱ
ǵүү¥㣬װݵģǮ࣬ǵһ˵ڼװݵģ¥ⶼ
ⷿΪʮһ֮ǰûй̯ģʵһ156ƽ㣬ȥ¥ݺռݵƽƽǵֻⷿͽүүסҪ̫ͺǮǵ巿һѡߣסûôѹ֣žֻƽҡ
鷿ңñ䶼ѡ¥ϣ¥ǽүү䣬ͷϴּ䣬ҵȡ
ΪֻסһܸߺܴҺܴ
Ҳܴ()?()
֮ǹӶ࣬һ۾ܹõĶģͨͨ()?()
Ǯȫ˼һʮƽķڼжжңġ()?()
ԭװ巿ģϾǴϰƵģȫеŷʽװޣ꽭ǶԽװݺݵĶסˡ
?߾ȫġ¸С[][][()]???_?_??
()?()
ˣװϣǰմϰʦװװϸڷ棬Լ밴ս˵װ
㽻ңҰ⣡ԴС۾СڵɳҲˡ
СʧҵûԼľϻԼ¹
ϧзݽţСľ϶ԺԺСûطţӣֱӴӵĻڸãװúͿСӹߴ磬ľֱ͵ǹҲõСӴĹӶûظˣҪͻҪװݴӵģҲһаСӡ
Ǯ¹һװãͽǩװͬҲһǮǮ
ȻȫβҪװܸ
Ǯºġ
ȻˣΪܱߵķӶӡڣӶĺܿ죬СΪǹԢ˶ֻڱлڣԼסȴСıˣɱʧҵ˲ҲԸй˶ŵλַҲԸ
Ƶ巿Ŀǰȥķ
֮ǰһΪںʲôӡڵĽڶӡڵķˡ
ɼӡڵķж
ЩˣͲDZŷģDZŻġ
ǮţԼķװúʱпͻ巿⣬ԼķӣͽķӣҲƬͻǿһ㷿ӵǮֱӵ㷿ӵ
ͻʵװķӣӦûһ㡣
ԼҲʶһˣǮܿƼһС
ڵĻ˵СʲôģɶûУֻܰλһƬδķĵضΣֻҪȷ̿ףķӶ
Ʒļ۸ҪȹԢ۸ϲ٣۴һǧÿƽǧÿƽײȣվǧһƽ㣬ƽķӲʮĿǰǮڸ˿ֱ
ı()?()
ǵģΡĵڶҲˣڡ졷ӳǰ졣
¸С[]һʱ[]£ס[()]‡??
()?()
ҲյˡΡڶѣڴĺܡ()?()
һߣҲһֱڹע졷£ÿڶڿ쵽֣Ҳ¡졷ᣬӰ졶()?()
ĵģͬУǶǾ־ڿⷿѻɽȥľ
绰иࣺӡˢDZߵ˵ӡггӳ֮ǰһӡ
һ˼ڽгֻ⡣
ʵǵгԤȷģ졷ӳá־»ڣǰѱгٳˣӴˣ־Ӱûôˡ
ǾϣȵġΡҪôᣬĿǰûҵ桶ΡӰֱӴ־ƷҪǡΡᣬ˵־ҪٽҲȶгΣżͷͷ
ʡij̨졷ӳ̨һǴӸ۵DZµĵӾ磬֪DzѡӾûѡãⲿӾԶ硶졷̨Ѹٻ䣬ڳԵˡ졷ǵ̨Ӻ̨˶µ֮죬Щż
̨칫ڣ̨һֱⲽһ绰DZʲôӾ磿˧桷أ֮ǰǸ㽲˧桷𣿰Ȩƻ̨ȥˣ
˧桷ǽĵľ磬ڸ۵DZ̨߲ⲿӾڵزŰȨʱѾһҵ̨ˣֻܻһӾ硣
ôȥ̨Ҫ̨ˡ
°һ룺Сأϴ˵ʲô졷ڶдôˣˣ
̨һֱһƾ磬̨ƾ磬ʶߵĺܣǻе̨ƾ绦硶ծֱӴ˰ٷ֮ʮĸʣȨǫ̈̄ⲿ磬̨ҲȣҲһԼ̨ľ硣
ֻ֮ǰһֱûʲôⲿӾǫ̂Щסˣš졷ȶȻڣϿѡ졷ڶʱԱı߲
Сص꣬ܿȥ¥ϵ̨칫ң顣
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