Ngubani owasungula ulwimi lwenkqubo yeJavaScript?

Intshayelelo

Ulwimi lwenkqubo yeJavaScript lusetyenziswa kakhulu kwi uphuhliso lwewebhu ngenxa yesakhono sayo sokubonelela ngonxibelelwano kunye namandla kumaphepha. Nangona kunjalo, ngamanye amaxesha siyazibuza Ngubani onoxanduva lokudala olu lwimi lunamandla? Kweli nqaku, siza kuphonononga imbali yeJavaScript kwaye sifumanise ukuba ngubani owayeyingqondi emva kokwenziwa kwayo.

-Intshayelelo yeJavaScript njengolwimi lwenkqubo

IJavaScript lulwimi lwenkqubo olutshintshe indlela esisebenzisana ngayo iiwebhsayithi kunye nezicelo ze-intanethi. Kodwa ngubani owayesebenzisa esi sixhobo sinamandla? YayinguBrendan Eich, injineli yesoftware yaseMelika, eyaqulunqa iJavaScript ngo-1995 ngelixa esebenza kwiNetscape Communications Corporation. Ukwenziwa kweJavaScript kufike njengesisombululo esikhawulezayo nesisebenzayo sokongeza ukusebenza okusebenzisanayo kumaphepha ewebhu. Ukusukela ngoko, iJavaScript ibe yenye yezona lwimi zisetyenziswayo. emhlabeni, ngenxa yobuninzi bayo kunye nokuhambelana namaqonga ahlukeneyo kunye neziphequluli.

Enye yeempawu eziphambili zeJavaScript kukukwazi ukutolikwa sisikhangeli somsebenzisi kunokuba sihlanganiswe kwiseva. Oku kuthetha ukuba ngalo lonke ixesha a webhsayithi isebenzisa iJavaScript, ikhowudi⁤ isebenza kwisikhangeli somsebenzisi, ivumela amava aguqukayo nakhawulezayo. Ukongeza, iJavaScript ikwalulwimi oluninzi lweparadigm, okuthetha ukuba ibonelela ngeendlela ezahlukeneyo zokucwangcisa, ezinje ngenkqubo. into ejoliswe kuyo kunye nenkqubo esebenzayo.

Esinye isizathu sokuba iJavaScript ibe lulwimi ethandwa kakhulu luluhlu lwayo olubanzi lwamathala eencwadi akhoyo kunye nesakhelo. Ezinye⁤ zezona ⁢ezona⁤ ezaziwayo-kakuhle ziquka i-jQuery, iReact, i-Angular, kunye⁢ Node.js. Ezi zixhobo zongezelelweyo zenza uphuhliso lweJavaScript lube lula kwaye lusebenze ngakumbi, luvumela abaphuhlisi ukuba benze ukusebenza okuphezulu, usetyenziso lwewebhu olunokukhawuleza. Ngamafutshane, iJavaScript, eyenziwe nguBrendan Eich, lulwimi lwenkqubo oluguquguqukayo nolunamandla oluguqule indlela esisebenzisana ngayo newebhu kwaye luvule iingcango kumathuba amatsha kwihlabathi lenkqubo.

-Imbali kunye nemvelaphi yeJavaScript: ukuyilwa kolwimi oluguqukileyo

IJavaScript lulwimi lwenkqubo olutshintshe indlela esisebenzisana ngayo newebhu. Kodwa ngubani owayeyincutshe kule ndalo itsha? YayinguBrendan Eich, injineli yesoftware ebalaseleyo eyavela neJavaScript ngo-1995. U-Eich wayesebenza kwi-Netscape Communications, inkampani ehamba phambili yesikhangeli sewebhu ngelo xesha, kwaye kwakukho apho umbono wokuphuhlisa ulwimi lwenkqubo olunokuqhuba. kwibhrawuza yomsebenzisi. IJavaScript yenziwe ngenjongo yokunika abaphuhlisi bewebhu amandla okwenza iiwebhusayithi ezisebenzisanayo kunye nezinamandla., okwavumela ukuba ube namava abandakanya ngakumbi Yabasebenzisi.

Kodwa ibali leJavaScript alipheli apho. Nangona yayiphuhliswe ekuqaleni njengolwimi lokubhala lweNetscape Navigator, yakhawuleza yaduma kwaye yaqala ukusasazeka kwezinye iibrowser. Oku kwakhokelela ekudalweni kwekomiti yemigangatho ebizwa ngokuba yi-ECMA (European Computer Manufacturers Association) eya kuba noxanduva lokulungelelanisa ulwimi. Ngo-1997, i-ECMAScript yaba ngumgangatho osemthethweni weJavaScript Ukusukela ngoko, iinguqulelo ezininzi ze-ECMAScript ziye zakhululwa, nganye izisa izinto ezintsha kunye nophuculo kulwimi. Oku kuvumele iJavaScript ukuba ihlale iguquka kwaye ihlale ifanelekile kwihlabathi elihlala litshintsha lobuchwephesha bewebhu.

IJavaScript ibonakalise ukuba sisixhobo esixabisekileyo kubaphuhlisi bewebhu. Enkosi kubuchule bayo bokukhohlisa⁤ kunye nokulawula umxholo wephepha lewebhu ngexesha lokwenyani, iye yaba⁢lolona lwimi lusetyenziswayo⁢ucwangciso kule mihla. Ukuguquguquka kwayo kunye nokuguquguquka kwayo kwenza kube lukhetho olucacileyo lokwakha usetyenziso lwewebhu, ukusuka kwintsebenziswano elula ukuya kwizicelo ezintsonkothileyo zeshishini. Ukongeza, iJavaScript ibe lolona lwimi luphambili ekuphuhliseni usetyenziso lweeselfowuni ezixutyiweyo, ebonisa amandla ayo okuziqhelanisa namaqonga ahlukeneyo. Ukuduma kwayo ⁣ kunye nokuqhubekeka ⁤ukufaneleka ⁢kwinkalo yodweliso lwenkqubo kuyenza ibe lulwimi oluyimfuneko kuye nawuphina umbhekisi wewebhu wale mihla.

-Brendan Eich: Umyili weJavaScript ⁤kunye nefuthe lakhe kwishishini letekhnoloji

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Imbali yokuyilwa kweJavaScript inika umdla kwaye ifuthe layo kushishino lobuchwephesha ibingenakuphikiswa. Olu lwimi lwenkqubo luye lwayiguqula indlela iiwebhusayithi ezakhiwe kwaye zisebenza ngayo, kwaye impembelelo yayo inabela kwiindawo ezininzi zobuchwepheshe.

UBrendan Eich, injineli yesoftware ekrelekrele, ⁤ingcaphephe emva kokwenziwa kwe ⁢JavaScript. Kwi-1995, ngelixa esebenza kwi-Netscape Communications, u-Eich wacela umngeni wokudala ulwimi lweprogram ye-Netscape Navigator web browser, ngelo xesha eyayilawula imarike. Injongo yayo yayikuku "phuhlisa ulwimi oluya kuvumela abaphuhlisi ukuba "banxibelelane" nezinto zekhasi lewebhu kwaye babonelele ngonxibelelwano olukhulu kunye namandla kumava omsebenzisi.

El impembelelo yeJavaScript kushishino lwetekhnoloji ibe yisikhumbuzo. Olu lwimi lukhawuleze lwaba⁢ sisixhobo esibalulekileyo ⁤kuphuhliso lwewebhu, evumela abadwelisi benkqubo ukuba benze usetyenziso oluntsokothileyo olusebenzayo. Namhlanje, iJavaScript isetyenziswa kuluhlu olubanzi lwamaqonga kunye neemeko, kubandakanywa iziphequluli zewebhu, iiseva, usetyenziso lweselula, kunye nakuphuhliso lwe-Intanethi yezinto (IoT) izicelo. Ukongeza, into yokuba iJavaScript lulwimi olutolikwayo kwaye kulula ukulufunda lube negalelo ekudumeni kwayo kunye nokwamkelwa okubanzi kushishino.

-⁢ Iimpawu eziphambili zeJavaScript kunye nokusebenza

IJavaScript lulwimi lwenkqubo yenzelwe nguBrendan Eich ngo-1995, xa wayesebenzela iNetscape Communications. Ekuqaleni, iJavaScript yaphuhliswa⁢ ukubonelela unxibelelwano kumaphepha ewebhu kunye nokuphucula amava omsebenzisi. Nangona kunjalo, kwiminyaka yakutshanje, iye yavela ngokukhawuleza kwaye ngoku isetyenziswa ukwenza izicelo Iiwebhusayithi ezipheleleyo, iiseva zesicelo kunye nezicelo eziphathwayo.

Enye ye ezona mpawu IJavaScript yeyakho uguquko. Lulwimi olutolikwayo, okuthetha ukuba akufuni mqokeleli ukuba aqhube. Oku kuvumela abaphuhlisi ukuba bhala kunye nekhowudi yokuvavanya ngokukhawuleza, ngaphandle kokulinda imijikelo emide yokuqokelela. Ngaphaya koko, iJavaScript lulwimi iqonga lokuwela, into ethetha ukuba inokuphunyezwa kwiinkqubo ezahlukeneyo iinkqubo zokusebenza nakwizikhangeli zewebhu ezahlukeneyo.

Enye into ebalulekileyo yeJavaScript yi ukukwazi kwakho ukulawula umxholo weHTML kunye neCSSkwiphepha lewebhu kwi ixesha langempela. Oku kuthetha ukuba unako tshintsha ngamandla inkangeleko yephepha kwaye uphendule kwiintshukumo zomsebenzisi ngaphandle kokulayisha kwakhona lonke iphepha ilungele ukwenza amaphepha ewebhu asebenzisanayo atyebileyo kumxholo wemultimedia. Ukongeza, iJavaScript inoluhlu olubanzi lwe amathala eencwadi kunye neziseko eziququzelela uphuhliso lwezicelo zewebhu ezintsonkothileyo neziphucukileyo.

-Impembelelo kunye nenguquko elandelayo yeJavaScript kubume benkqubo yewebhu

IJavaScript lulwimi lwenkqubo olusetyenziswa ngokubanzi kushishino lophuhliso lwewebhu. Nangona yaqanjwa nguBrendan Eich ngo-1995 ngelixa esebenza e-Netscape, ukuvela kwayo okulandelayo kunye nefuthe elibanzi kubume benkqubo yewebhu iye yachukumisa. Ukususela ekudalweni kwayo, iJavaScript iye yahlala iguquguquka, ngokungeniswa kwezinto ezintsha kunye nokuphuculwa kokusebenza kwayo. Ihambile ekubeni lulwimi olulula olusetyenziswa ikakhulu ukongeza unxibelelwano olusisiseko kumaphepha ewebhu, ukuya ekubeni lulwimi lwenkqubo olunamandla noluguquguqukayo. iyasetyenziswa kwi⁤ uluhlu olubanzi lwezicelo, ukusuka kwiwebhu kunye nezicelo eziphathwayo ukuya kuphuhliso lomdlalo.

Inguquko yeJavaScript iqhutywa ⁤kukubekwa emgangathweni kunye nentsebenziswano⁢ yoluntu lwabaphuhlisi. Umgangatho we-ECMA-262, owaziwa ngokuba yi-ECMAScript, ube negalelo ekuveleni nasekuthatheni iJavaScript. I-ECMAScript ichaza iinkcukacha kunye neempawu ⁢zolwimi kunye nokuphunyezwa kwayo⁢ kwizikhangeli. Ngeenguqulelo ezahlukeneyo ze-ECMAScript, izinto ezintsha ezibalulekileyo kunye nophuculo luye lwaziswa oluvumela abaphuhlisi ukuba benze usetyenziso lwewebhu oluntsonkothileyo kunye neemeko ezinamandla. Ukongeza, uluntu lwabaphuhlisi luphuhlise izikhokelo ezininzi kunye namathala eencwadi athe andisa amandla eJavaScript, ebonelela ngezisombululo ezongezelelweyo kunye nezixhobo zophuhliso lwewebhu.

Impembelelo yeJavaScript kwimbonakalo yenkqubo yewebhu ayinakuphikiswa. Ukukwazi ukuqhuba ikhowudi yeJavaScript kwiziphequluli kuvumela abaphuhlisi ukuba benze amava asebenzayo kunye naguqukayo kubasebenzisi. Ukusuka koopopayi⁤ kunye neziphumo ezibonakalayo ukuya kuqinisekiso lwexesha lokwenyani kunye nokulayisha umxholo oguqukayo, iJavaScript idlala indima ⁢ephakathi ekuphuculeni⁤ amava omsebenzisi. kwiwebhu. Ukongeza, ukuthandwa kunye nokuguquguquka kweJavaScript kukhokelele kuphuhliso lwezicwangciso ezininzi kunye namathala eencwadi, afana neReact.js kunye ne-Angular.js, evumela abaphuhlisi ukuba balinganise kwaye bagcine usetyenziso lwewebhu oluntsonkothileyo. IJavaScript iye yavela ukuze ibe lolona lwimi lubalulekileyo noluguquguqukayo lwenkqubo kuphuhliso lwewebhu, kwaye impembelelo yayo iya kuqhubeka ikhula kwiminyaka ezayo.

-Iingcebiso zokufunda kunye nobuchule beJavaScript

ijavascript: olona lwimi lusetyenziswayo namhlanje. Iyaguquguquka ⁢kwaye ingasetyenziswa kwicala lomxhasi kunye necala lomncedisi. Ukuba unomdla wokufunda kunye nokufunda iJavascript, nazi ezinye iingcebiso eziya kukunceda ube yingcali kolu lwimi lwenkqubo.

1. Ulwazi oluyisiseko: Ngaphambi kokuntywila kwihlabathi leJavascript, kubalulekile ukuba ube nokuqonda okuqinileyo kweekhonsepthi ezisisiseko zokucwangcisa. Oku kuquka ukuqonda iindidi zedatha, iinguqu, iilophu, kunye nezakhiwo zokulawula.​ Ukuba sele unamava kwezinye iilwimi zokuprograma, ezininzi zezi ngqikelelo ziya kuqheleka kuwe. Ukuba umtsha kudweliso lwenkqubo, sicebisa uqale ngokufunda iziseko phambi kokuba ujongane neJavascript.

2. Ziqhelanise nemizekelo: Enye yeendlela ezilungileyo zokufunda iJavascript kukuziqhelanisa nemizekelo ephathekayo. Ungafumana imizekelo emininzi kwi-intanethi kwaye⁤ usebenzise izixhobo ezifana nezifundo kunye neencwadi zokucwangcisa. Zama ukuyila kwakhona kwaye ulungise le mizekelo ukuze uqonde indlela imiba eyahlukeneyo yolwimi esebenza ngayo. Njengoko uziva ukhululekile ngakumbi, ungaqala ukuphuhlisa iiprojekthi zakho usebenzisa iJavascript.

3. Joyina uluntu: Uluntu lwabaphuhlisi beJavascript lusebenza kakhulu kwaye luyaxhasa Joyina amaqela e-intanethi, iiforam, okanye uluntu lwasekuhlaleni apho unokunxibelelana nabanye abaphuhlisi beJavascript. Uya kukwazi ukubuza imibuzo, wabelane ngamava akho kwaye ufumane iingcebiso eziluncedo. Ukongeza, olu luntu zizixhobo ezinkulu zokuhlala usazi kunye neendlela zamva nje kunye nenkqubela phambili kwihlabathi leJavascript. Ungalibazisi ukuthatha ithuba lolwazi oludibeneyo loluntu ukuphucula izakhono zakho kolu lwimi lwenkqubo.

Khumbula ukuba ukufunda iJavascript kuthatha ixesha kunye nokuziqhelanisa. Sukudimazeka ukuba udibana⁢ nemiceli mngeni endleleni. Ngonyamezelo⁤ kunye nokusebenzisa ezi ngcebiso, ⁤uyakuba kwindlela eyiyo⁢ yokuba yingcaphephe yeJavascript. Ndikunqwenelela ithamsanqa ⁢kuhambo ⁤ lwakho lokufunda!!

– ⁤Ikamva leJavaScript: iintsingiselo ezihlala zivela⁢ kunye⁤ nemiceli mngeni

IJavaScript lulwimi olukwinqanaba eliphezulu, olutolikwayo, olujoliswe kwinto esetyenziswa kuphuhliso lwangaphambili nasemva. Olu lwimi lwayilwa nguBrendan Eich, owayesebenza ⁢Netscape ngo-1995. IJavaScript ekuqaleni yayiyilelwe ukongeza unxibelelwano kumaphepha ewebhu, kodwa ngokuhamba kwexesha iye yavela kwaye yaba yenye yezona lwimi zidumileyo kwihlabathi.

Enye yeendlela eziphambili kwiJavaScript kukunyuka kwesikhokelo kunye namathala eencwadi, anje ngeReact, Vue.js kunye neAngular. Ezi zixhobo zivumela abaphuhlisi ukuba benze izicelo zewebhu ezikhawulezayo nezisebenzayo, kunye namava angcono omsebenzisi. Ukongeza, ukusetyenziswa kwezi zikhokelo kwenza kube lula ukwenza usetyenziso lweselula usebenzisa itekhnoloji efana neReact Native okanye i-Ionic.

Nangona kunjalo, kukho imiceli mngeni ehlala ivela kwiJavaScript. Enye yazo sisidingo sokuhlala usazi ngeenguqulelo zamva nje zolwimi kunye nophuhliso kwishishini. IJavaScript ihlala ivela kwaye iinguqulelo ezintsha zikhutshwa minyaka le ezineempawu ezibalulekileyo kunye nophuculo. Ke ngoko, kubalulekile ukuba abaphuhlisi balumkele olu tshintsho ukuze basebenzise ngokupheleleyo amandla eJavaScript kwaye bahlale bekhuphisana kwimarike yomsebenzi.

Olunye ucelomngeni olubalulekileyo lukhuseleko. IJavaScript isebenza kwisikhangeli somsebenzisi kwaye ingasetyenziselwa ukwenza uhlaselo olufana nenaliti yekhowudi okanye ubusela bedatha. Ukunciphisa lo mngcipheko, abaphuhlisi kufuneka baziqhelanise nezenzo zokhuseleko ezilungileyo, ezinjengokuqinisekisa kunye nokucoca idatha yegalelo, ukusebenzisa uguqulelo oluntsonkothileyo, kunye nokukhusela iziqinisekiso zomsebenzisi.

Ngamafutshane, ikamva leJavaScript lijongeka linomdla kwaye lizele ngamathuba. Ukuguquguquka kwayo kunye nokuthandwa kwayo kuyaqhubeka ukukhula, okuthetha ukwanda kwemfuno yabaphuhlisi abakhethekileyo kolu lwimi. Nangona kunjalo, kuyafuneka ukuba uhlale uhlaziywa ngeendlela zamva nje kunye nemiceli mngeni kwindaleko eqhubekayo, ukuze unikeze izisombululo ezitsha nezikhuselekileyo kwihlabathi lenkqubo.