Cov txheej txheem:
- Dab tsi yog qhov tseeb rau cov khoom tsis tswj hwm hauv React?
- Vim li cas cov khoom tswj tau zoo dua?
- Cov khoom tswj hwm yog dab tsi?
- Puas yog hooks Cheebtsam uas tswj tau?
![Rau cov khoom uas tsis tau tswj hwm hauv cov tshuaj tiv thaiv? Rau cov khoom uas tsis tau tswj hwm hauv cov tshuaj tiv thaiv?](https://i.boatexistence.com/preview/questions/18708791-for-uncontrolled-components-in-react-j.webp)
Video: Rau cov khoom uas tsis tau tswj hwm hauv cov tshuaj tiv thaiv?
![Video: Rau cov khoom uas tsis tau tswj hwm hauv cov tshuaj tiv thaiv? Video: Rau cov khoom uas tsis tau tswj hwm hauv cov tshuaj tiv thaiv?](https://i.ytimg.com/vi/1bkKkw0cy7w/hqdefault.jpg)
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Nyob rau hauv ib qho kev tivthaiv, daim ntawv cov ntaub ntawv yog tswj los ntawm ib tug React tivthaiv. Lwm txoj hauv kev yog cov khoom tsis raug tswj xyuas, qhov twg daim ntawv cov ntaub ntawv yog tswj los ntawm DOM nws tus kheej. Txhawm rau sau qhov tsis muaj kev tswj hwm, es tsis txhob sau ib qho kev tshwm sim rau txhua lub xeev hloov tshiab, koj tuaj yeem siv tus ref kom tau txais daim ntawv muaj nuj nqis los ntawm DOM.
Dab tsi yog qhov tseeb rau cov khoom tsis tswj hwm hauv React?
Teb: A yog cov lus teb raug. Rau cov khoom tsis muaj kev tswj hwm hauv React. js, qhov tseeb yog component DOM.
Vim li cas cov khoom tswj tau zoo dua?
Siv cov khoom tswj tau muab peb lub peev xwm los hloov cov khoom hauv lub xeev hauv txhua txoj kev peb xav tau. Piv txwv li, xav txog yuav ua li cas yog tias peb xav tiv thaiv tus neeg siv los ntawm kev hloov cov tswv yim thaum ntxiv cov cim tsis raug.
Cov khoom tswj hwm yog dab tsi?
Controller Cheebtsam yog a render-prop raws li tus qauv uas tuaj yeem pab koj txiav txim siab lub xeev los ntawm kev nthuav qhia, thiab uas pab txhawb kev rov siv dua ntawm kev lag luam logic. Lub Yim Hli 31, 2018. Thaum React thawj zaug tshwm sim ntawm qhov chaw, nws tau pom zoo li lub tsev qiv ntawv saib. Nws hais li ntawd hauv lub vev xaib: "V hauv MVC"!
Puas yog hooks Cheebtsam uas tswj tau?
React muaj 2 txoj hauv kev kom nkag mus rau tus nqi ntawm qhov kev tawm tswv yim: siv cov txheej txheem tswj lossis tsis tswj hwm. Kuv nyiam cov khoom tswj hwm vim tias koj nyeem thiab teeb tsa tus nqi nkag los ntawm cov khoom hauv lub xeev.
Pom zoo:
Lub luag haujlwm twg uas tus thawj tswj hwm tau qhia rau tus thawj tswj hwm?
![Lub luag haujlwm twg uas tus thawj tswj hwm tau qhia rau tus thawj tswj hwm? Lub luag haujlwm twg uas tus thawj tswj hwm tau qhia rau tus thawj tswj hwm?](https://i.boatexistence.com/preview/questions/18678576-which-position-appointed-by-the-president-advises-the-president-j.webp)
Teb: Tus Secretary of Defenseraug xaiv los ntawm tus thawj tswj hwm nrog cov lus qhia thiab kev pom zoo los ntawm senate. Tus neeg ntawd yog los ntawm kev cai ib tug tswv cuab ntawm lub txee thiab raws li txoj cai ib tug tswv cuab ntawm National Security Council .
Dab tsi yog qhov txawv ntawm cov tshuaj tiv thaiv thiab tshuaj tiv thaiv?
![Dab tsi yog qhov txawv ntawm cov tshuaj tiv thaiv thiab tshuaj tiv thaiv? Dab tsi yog qhov txawv ntawm cov tshuaj tiv thaiv thiab tshuaj tiv thaiv?](https://i.boatexistence.com/preview/questions/18694612-what-is-difference-between-antitype-and-antitype-j.webp)
Raws li nouns qhov txawv ntawm antitype thiab hom yog hais tias antitype yog ib yam dab tsi uas yog cim los yog sawv cev los ntawm ib homthaum hom yog ib pab pawg raws li cov yam ntxwv sib koom; ib hoob . Antitype txhais li cas? 1a:
Cov tshuaj tiv thaiv puas tiv thaiv koj tsis txhob kis tus kabmob?
![Cov tshuaj tiv thaiv puas tiv thaiv koj tsis txhob kis tus kabmob? Cov tshuaj tiv thaiv puas tiv thaiv koj tsis txhob kis tus kabmob?](https://i.boatexistence.com/preview/questions/18729517-does-the-vaccine-stop-you-from-getting-covid-j.webp)
Cov tshuaj tiv thaiv COVID-19 muaj kev nyab xeeb thiab siv tau zoo. Tshuaj tiv thaiv tsis tuaj yeem muab rau koj COVID-19. Tej zaum koj yuav muaj kev phiv tom qab txhaj tshuaj tiv thaiv. Cov no yog qhov qub thiab yuav tsum ploj mus li ob peb hnub .
Cov neeg mob tiv thaiv kab mob yuav tsum tau txais cov tshuaj tiv thaiv?
![Cov neeg mob tiv thaiv kab mob yuav tsum tau txais cov tshuaj tiv thaiv? Cov neeg mob tiv thaiv kab mob yuav tsum tau txais cov tshuaj tiv thaiv?](https://i.boatexistence.com/preview/questions/18732085-should-immunosuppressed-patients-receive-the-vaccine-j.webp)
Vim li cas CDC thiaj pom zoo tias cov neeg uas muaj kev tiv thaiv kab mob tiv thaiv kab mob tau txais koob tshuaj mRNA COVID-19 ntxiv los ntxiv rau 2-dose thawj koob tshuaj tiv thaiv kab mob mRNA COVID-19? Cov neeg uas muaj kev tiv thaiv kab mob los yog cov neeg siv tshuaj tiv thaiv kab mob yog nyob ntawm muaj kev pheej hmoo ntau rau tus kab mob COVID-19 hnyav .
Leej twg tseem ceeb xaiv tus thawj tswj hwm hauv kev tswj hwm tus thawj tswj hwm?
![Leej twg tseem ceeb xaiv tus thawj tswj hwm hauv kev tswj hwm tus thawj tswj hwm? Leej twg tseem ceeb xaiv tus thawj tswj hwm hauv kev tswj hwm tus thawj tswj hwm?](https://i.boatexistence.com/preview/questions/18769176-who-essentially-elects-the-president-in-a-presidential-democracy-j.webp)
Cov neeg txhawb nqa feem ntau thov plaub qhov txiaj ntsig zoo rau kev xaiv tsa thawj tswj hwm: kev xaiv tsa ncaj qha - hauv kev xaiv nom tswv, tus thawj tswj hwm feem ntau raug xaiv ncaj qha los ntawm cov neeg. Qhov no ua rau tus thawj tswj hwm lub hwj chim tshwm sim rau qee qhov ua tau raug cai ntau dua li tus thawj coj tau xaiv tsis ncaj.